12636001223995 has 32 divisors (see below), whose sum is σ = 15843615178752. Its totient is φ = 9656374920192.

The previous prime is 12636001223977. The next prime is 12636001224047. The reversal of 12636001223995 is 59932210063621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12636001223995 - 2¹⁵ = 12636001191227 is a prime.

It is a Duffinian 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, 283658694 + ... + 283703236.

It is an arithmetic number, because the mean of its divisors is an integer number (495112974336).

Almost surely, 2^{12636001223995} is an apocalyptic number.

12636001223995 is a deficient number, since it is larger than the sum of its proper divisors (3207613954757).

12636001223995 is a wasteful number, since it uses less digits than its factorization.

12636001223995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47811.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 12636001223995 in words is "twelve trillion, six hundred thirty-six billion, one million, two hundred twenty-three thousand, nine hundred ninety-five".