12512312 has 16 divisors (see below), whose sum is σ = 24006840. Its totient is φ = 6110496.

The previous prime is 12512303. The next prime is 12512329. The reversal of 12512312 is 21321521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17843 + ... + 18530.

Almost surely, 2^12512312 is an apocalyptic number.

It is an amenable number.

12512312 is a deficient number, since it is larger than the sum of its proper divisors (11494528).

12512312 is a wasteful number, since it uses less digits than its factorization.

12512312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36422 (or 36418 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 12512312 is about 3537.2746571337. The cubic root of 12512312 is about 232.1556129998.

Adding to 12512312 its reverse (21321521), we get a palindrome (33833833).

The spelling of 12512312 in words is "twelve million, five hundred twelve thousand, three hundred twelve".