In this paper we study a set of twelve pulsars that previously had not been characterized . Our timing shows that eleven of them are ‘ ‘ normal ’ ’ isolated pulsars , with rotation periods between 0.22 and 2.65 s , characteristic ages between 0.25 Myr and 0.63 Gyr , and estimated magnetic fields ranging from 0.05 to 3.8 \times 10 ^ { 12 } G. The youngest pulsar in our sample , PSR J0627+0706 , is located near the Monoceros supernova remnant ( SNR G205.5+0.5 ) , but it is not the pulsar most likely to be associated with it . We also confirmed the existence of a candidate from an early Arecibo survey , PSR J2053+1718 , its subsequent timing and polarimetry are also presented here . It is an isolated pulsar with a spin period of 119 ms , a relatively small magnetic field of 5.8 \times 10 ^ { 9 } G and a characteristic age of 6.7 Gyr ; this suggests the pulsar was mildly recycled by accretion from a companion star which became unbound when that companion became a supernova . We report the results of single-pulse and average Arecibo polarimetry at both 327 and 1400 MHz aimed at understanding the basic emission properties and beaming geometry of these pulsars . Three of them ( PSRs J0943+2253 , J1935+1159 and J2050+1259 ) have strong nulls and sporadic radio emission , several others exhibit interpulses ( PSRs J0627+0706 and J0927+2345 ) and one shows regular drifting subpulses ( J1404+1159 ) .