12012566600818 has 32 divisors (see below), whose sum is σ = 21820111959168. Its totient is φ = 4841896262400.

The previous prime is 12012566600791. The next prime is 12012566600821. The reversal of 12012566600818 is 81800666521021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17945388 + ... + 18602743.

It is an arithmetic number, because the mean of its divisors is an integer number (681878498724).

Almost surely, 2^{12012566600818} is an apocalyptic number.

12012566600818 is a deficient number, since it is larger than the sum of its proper divisors (9807545358350).

12012566600818 is a wasteful number, since it uses less digits than its factorization.

12012566600818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36549538.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 12012566600818 in words is "twelve trillion, twelve billion, five hundred sixty-six million, six hundred thousand, eight hundred eighteen".