12487792699936 has 96 divisors (see below), whose sum is σ = 24967250708400. Its totient is φ = 6147663298560.

The previous prime is 12487792699927. The next prime is 12487792699937. The reversal of 12487792699936 is 63999629778421.

It can be written as a sum of positive squares in 8 ways, for example, as 2749773163536 + 9738019536400 = 1658244^2 + 3120580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12487792699936.

It is not an unprimeable number, because it can be changed into a prime (12487792699937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1521227800 + ... + 1521236008.

Almost surely, 2^{12487792699936} is an apocalyptic number.

12487792699936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12487792699936 is a deficient number, since it is larger than the sum of its proper divisors (12479458008464).

12487792699936 is a wasteful number, since it uses less digits than its factorization.

12487792699936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11022 (or 11014 counting only the distinct ones).

The product of its digits is 4444263936, while the sum is 82.

The spelling of 12487792699936 in words is "twelve trillion, four hundred eighty-seven billion, seven hundred ninety-two million, six hundred ninety-nine thousand, nine hundred thirty-six".