12807188836 has 24 divisors (see below), whose sum is σ = 24146365824. Its totient is φ = 5908624800.

The previous prime is 12807188809. The next prime is 12807188857. The reversal of 12807188836 is 63888170821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 7 ways as a sum of consecutive naturals, for example, 83811 + ... + 180661.

It is an arithmetic number, because the mean of its divisors is an integer number (1006098576).

Almost surely, 2^12807188836 is an apocalyptic number.

It is an amenable number.

12807188836 is a deficient number, since it is larger than the sum of its proper divisors (11339176988).

12807188836 is a wasteful number, since it uses less digits than its factorization.

12807188836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99411 (or 99409 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 12807188836 in words is "twelve billion, eight hundred seven million, one hundred eighty-eight thousand, eight hundred thirty-six".