12643824372 has 96 divisors (see below), whose sum is σ = 30725775360. Its totient is φ = 4044094080.

The previous prime is 12643824367. The next prime is 12643824383. The reversal of 12643824372 is 27342834621.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8367097 + ... + 8368607.

It is an arithmetic number, because the mean of its divisors is an integer number (320060160).

Almost surely, 2^12643824372 is an apocalyptic number.

12643824372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12643824372 is an abundant number, since it is smaller than the sum of its proper divisors (18081950988).

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

12643824372 is a wasteful number, since it uses less digits than its factorization.

12643824372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1851 counting only the distinct ones).

The product of its digits is 387072, while the sum is 42.

The spelling of 12643824372 in words is "twelve billion, six hundred forty-three million, eight hundred twenty-four thousand, three hundred seventy-two".