12591316032 has 28 divisors (see below), whose sum is σ = 33314524176. Its totient is φ = 4197105280.

The previous prime is 12591315977. The next prime is 12591316069. The reversal of 12591316032 is 23061319521.

It is a junction number, because it is equal to n+sod(n) for n = 12591315984 and 12591316002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32789694 + ... + 32790077.

Almost surely, 2^12591316032 is an apocalyptic number.

12591316032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12591316032 is an abundant number, since it is smaller than the sum of its proper divisors (20723208144).

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

12591316032 is an equidigital number, since it uses as much as digits as its factorization.

12591316032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65579786 (or 65579776 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 12591316032 in words is "twelve billion, five hundred ninety-one million, three hundred sixteen thousand, thirty-two".