12016665122 has 48 divisors (see below), whose sum is σ = 23124890880. Its totient is φ = 4582174080.

The previous prime is 12016665109. The next prime is 12016665161. The reversal of 12016665122 is 22156661021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4154 + ... + 155082.

It is an arithmetic number, because the mean of its divisors is an integer number (481768560).

Almost surely, 2^12016665122 is an apocalyptic number.

12016665122 is a deficient number, since it is larger than the sum of its proper divisors (11108225758).

12016665122 is a wasteful number, since it uses less digits than its factorization.

12016665122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151007 (or 150996 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12016665122 in words is "twelve billion, sixteen million, six hundred sixty-five thousand, one hundred twenty-two".