12432045256 has 16 divisors (see below), whose sum is σ = 23878624140. Its totient is φ = 6064412160.

The previous prime is 12432045253. The next prime is 12432045317. The reversal of 12432045256 is 65254023421.

It can be written as a sum of positive squares in 2 ways, for example, as 12313453156 + 118592100 = 110966^2 + 10890^2 .

It is not an unprimeable number, because it can be changed into a prime (12432045253) 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, 18950961 + ... + 18951616.

Almost surely, 2^12432045256 is an apocalyptic number.

It is an amenable number.

12432045256 is a deficient number, since it is larger than the sum of its proper divisors (11446578884).

12432045256 is a wasteful number, since it uses less digits than its factorization.

12432045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37902624 (or 37902620 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 12432045256 its reverse (65254023421), we get a palindrome (77686068677).

The spelling of 12432045256 in words is "twelve billion, four hundred thirty-two million, forty-five thousand, two hundred fifty-six".