12016204556139 has 72 divisors (see below), whose sum is σ = 20452673679360. Its totient is φ = 6777296259552.

The previous prime is 12016204556113. The next prime is 12016204556183. The reversal of 12016204556139 is 93165540261021.

It is a happy number.

12016204556139 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 6 + 20 + 4 + 5 + 5 + 613 + 9 = 666.

It is not a de Polignac number, because 12016204556139 - 2⁷ = 12016204556011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12016204556094 and 12016204556103.

It is not an unprimeable number, because it can be changed into a prime (12016204556339) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 110977782 + ... + 111086004.

Almost surely, 2^{12016204556139} is an apocalyptic number.

12016204556139 is a deficient number, since it is larger than the sum of its proper divisors (8436469123221).

12016204556139 is a wasteful number, since it uses less digits than its factorization.

12016204556139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111509 (or 111499 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 12016204556139 in words is "twelve trillion, sixteen billion, two hundred four million, five hundred fifty-six thousand, one hundred thirty-nine".