12585783232 has 28 divisors (see below), whose sum is σ = 27245361816. Its totient is φ = 5720810240.

The previous prime is 12585783229. The next prime is 12585783251. The reversal of 12585783232 is 23238758521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8938063 + ... + 8939470.

Almost surely, 2^12585783232 is an apocalyptic number.

It is an amenable number.

12585783232 is an abundant number, since it is smaller than the sum of its proper divisors (14659578584).

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

12585783232 is a wasteful number, since it uses less digits than its factorization.

12585783232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877556 (or 17877546 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The spelling of 12585783232 in words is "twelve billion, five hundred eighty-five million, seven hundred eighty-three thousand, two hundred thirty-two".