12116727744738 has 16 divisors (see below), whose sum is σ = 24309901725120. Its totient is φ = 4026168208976.

The previous prime is 12116727744707. The next prime is 12116727744761. The reversal of 12116727744738 is 83744772761121.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185257758 + ... + 3185261561.

It is an arithmetic number, because the mean of its divisors is an integer number (1519368857820).

Almost surely, 2^{12116727744738} is an apocalyptic number.

12116727744738 is an abundant number, since it is smaller than the sum of its proper divisors (12193173980382).

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

12116727744738 is a wasteful number, since it uses less digits than its factorization.

12116727744738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370519641.

The product of its digits is 22127616, while the sum is 60.

The spelling of 12116727744738 in words is "twelve trillion, one hundred sixteen billion, seven hundred twenty-seven million, seven hundred forty-four thousand, seven hundred thirty-eight".