12531233132 has 24 divisors (see below), whose sum is σ = 23991064272. Its totient is φ = 5679872000.

The previous prime is 12531233119. The next prime is 12531233147. The reversal of 12531233132 is 23133213521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387869 + ... + 418932.

It is an arithmetic number, because the mean of its divisors is an integer number (999627678).

Almost surely, 2^12531233132 is an apocalyptic number.

It is an amenable number.

12531233132 is a deficient number, since it is larger than the sum of its proper divisors (11459831140).

12531233132 is a wasteful number, since it uses less digits than its factorization.

12531233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807169 (or 807167 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

Adding to 12531233132 its reverse (23133213521), we get a palindrome (35664446653).

The spelling of 12531233132 in words is "twelve billion, five hundred thirty-one million, two hundred thirty-three thousand, one hundred thirty-two".