12316615776 has 36 divisors (see below), whose sum is σ = 35025376932. Its totient is φ = 4105538496.

The previous prime is 12316615771. The next prime is 12316615789. The reversal of 12316615776 is 67751661321.

12316615776 is a `hidden beast` number, since 1 + 2 + 3 + 16 + 61 + 577 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12316615776² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12316615771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21382726 + ... + 21383301.

It is an arithmetic number, because the mean of its divisors is an integer number (972927137).

Almost surely, 2^12316615776 is an apocalyptic number.

12316615776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12316615776 is an abundant number, since it is smaller than the sum of its proper divisors (22708761156).

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

12316615776 is a wasteful number, since it uses less digits than its factorization.

12316615776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42766043 (or 42766032 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 12316615776 in words is "twelve billion, three hundred sixteen million, six hundred fifteen thousand, seven hundred seventy-six".