12251212 has 6 divisors (see below), whose sum is σ = 21439628. Its totient is φ = 6125604.

The previous prime is 12251207. The next prime is 12251269. The reversal of 12251212 is 21215221.

It is a happy number.

12251212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1531398 + ... + 1531405.

Almost surely, 2^12251212 is an apocalyptic number.

It is an amenable number.

12251212 is a deficient number, since it is larger than the sum of its proper divisors (9188416).

12251212 is a wasteful number, since it uses less digits than its factorization.

12251212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062807 (or 3062805 counting only the distinct ones).

The product of its digits is 80, while the sum is 16.

The square root of 12251212 is about 3500.1731385747. The cubic root of 12251212 is about 230.5294168676.

Adding to 12251212 its reverse (21215221), we get a palindrome (33466433).

The spelling of 12251212 in words is "twelve million, two hundred fifty-one thousand, two hundred twelve".