12632585572 has 12 divisors (see below), whose sum is σ = 22110487420. Its totient is φ = 6315303456.

The previous prime is 12632585549. The next prime is 12632585579. The reversal of 12632585572 is 27558523621.

It can be written as a sum of positive squares in 2 ways, for example, as 6295470336 + 6337115236 = 79344^2 + 79606^2 .

It is not an unprimeable number, because it can be changed into a prime (12632585579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218223 + ... + 269974.

Almost surely, 2^12632585572 is an apocalyptic number.

It is an amenable number.

12632585572 is a deficient number, since it is larger than the sum of its proper divisors (9477901848).

12632585572 is a wasteful number, since it uses less digits than its factorization.

12632585572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494670 (or 494668 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The spelling of 12632585572 in words is "twelve billion, six hundred thirty-two million, five hundred eighty-five thousand, five hundred seventy-two".