What does Adam 12 mean?

Adam 12 meaning in Urban Dictionary

A television show made by Jack Webb Productions, debuting on September 21, 1968 on American Broadcasting Company (ABC) tv community, set-in the l . a ., CA metropolitan area, featuring stars Martin Milner as LAPD Officer Peter Malloy, and Kent McCord as their companion, LAPD Officer James Reed. Series terminated in 1975.