Combos = 94^12 = 475920314814253376475136 (24 digit number) ANS / 864000000000000 (10b passwords per second for a day) ~550833697.70168214869807407407/365.25 (guessing for years...) ~1508100.47283143640985098994 years until keyspace exhausted. Even if the password was in 0.1% that is still ~1508 years!