12936251272 has 48 divisors (see below), whose sum is σ = 28227383820. Its totient is φ = 5541782400.

The previous prime is 12936251249. The next prime is 12936251309. The reversal of 12936251272 is 27215263921.

It can be written as a sum of positive squares in 2 ways, for example, as 12547136196 + 389115076 = 112014^2 + 19726^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194522 + ... + 1205302.

Almost surely, 2^12936251272 is an apocalyptic number.

It is an amenable number.

12936251272 is an abundant number, since it is smaller than the sum of its proper divisors (15291132548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12936251272 is a wasteful number, since it uses less digits than its factorization.

12936251272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862 (or 13851 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The spelling of 12936251272 in words is "twelve billion, nine hundred thirty-six million, two hundred fifty-one thousand, two hundred seventy-two".