12885637067836 has 24 divisors (see below), whose sum is σ = 25121865373920. Its totient is φ = 5742140655552.

The previous prime is 12885637067801. The next prime is 12885637067851. The reversal of 12885637067836 is 63876073658821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272424576 + ... + 4272427591.

It is an arithmetic number, because the mean of its divisors is an integer number (1046744390580).

Almost surely, 2^{12885637067836} is an apocalyptic number.

It is an amenable number.

12885637067836 is a deficient number, since it is larger than the sum of its proper divisors (12236228306084).

12885637067836 is a wasteful number, since it uses less digits than its factorization.

12885637067836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544852213 (or 8544852211 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 70.

The spelling of 12885637067836 in words is "twelve trillion, eight hundred eighty-five billion, six hundred thirty-seven million, sixty-seven thousand, eight hundred thirty-six".