12401912592 has 50 divisors (see below), whose sum is σ = 35894736878. Its totient is φ = 4133970432.

The previous prime is 12401912563. The next prime is 12401912647. The reversal of 12401912592 is 29521910421.

12401912592 is a `hidden beast` number, since 1 + 2 + 40 + 19 + 12 + 592 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6555169296 + 5846743296 = 80964^2 + 76464^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4783393 + ... + 4785984.

Almost surely, 2^12401912592 is an apocalyptic number.

12401912592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12401912592 is an abundant number, since it is smaller than the sum of its proper divisors (23492824286).

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

12401912592 is an equidigital number, since it uses as much as digits as its factorization.

12401912592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569397 (or 9569382 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 12401912592 in words is "twelve billion, four hundred one million, nine hundred twelve thousand, five hundred ninety-two".