12133645867 has 16 divisors (see below), whose sum is σ = 13952233152. Its totient is φ = 10336475520.

The previous prime is 12133645817. The next prime is 12133645889. The reversal of 12133645867 is 76854633121.

It is a de Polignac number, because none of the positive numbers 2^k-12133645867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133645817) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1458973 + ... + 1467265.

It is an arithmetic number, because the mean of its divisors is an integer number (872014572).

Almost surely, 2^12133645867 is an apocalyptic number.

12133645867 is a deficient number, since it is larger than the sum of its proper divisors (1818587285).

12133645867 is a wasteful number, since it uses less digits than its factorization.

12133645867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558.

The product of its digits is 725760, while the sum is 46.

The spelling of 12133645867 in words is "twelve billion, one hundred thirty-three million, six hundred forty-five thousand, eight hundred sixty-seven".