12672242554136 has 64 divisors (see below), whose sum is σ = 26361812534400. Its totient is φ = 5662054656000.

The previous prime is 12672242554129. The next prime is 12672242554157. The reversal of 12672242554136 is 63145524227621.

It is a happy number.

It is a congruent number.

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, 74685251 + ... + 74854733.

It is an arithmetic number, because the mean of its divisors is an integer number (411903320850).

Almost surely, 2^{12672242554136} is an apocalyptic number.

It is an amenable number.

12672242554136 is an abundant number, since it is smaller than the sum of its proper divisors (13689569980264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12672242554136 is a wasteful number, since it uses less digits than its factorization.

12672242554136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183960 (or 183956 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 12672242554136 in words is "twelve trillion, six hundred seventy-two billion, two hundred forty-two million, five hundred fifty-four thousand, one hundred thirty-six".