12116760381 has 32 divisors (see below), whose sum is σ = 20060288640. Its totient is φ = 7164374400.

The previous prime is 12116760371. The next prime is 12116760391. The reversal of 12116760381 is 18306761121.

12116760381 is a `hidden beast` number, since 1 + 211 + 6 + 7 + 60 + 381 = 666.

It is an interprime number because it is at equal distance from previous prime (12116760371) and next prime (12116760391).

It is not a de Polignac number, because 12116760381 - 2⁵ = 12116760349 is a prime.

It is a super-2 number, since 2×12116760381² (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 (12116760371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485350 + ... + 509703.

It is an arithmetic number, because the mean of its divisors is an integer number (626884020).

Almost surely, 2^12116760381 is an apocalyptic number.

12116760381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12116760381 is a deficient number, since it is larger than the sum of its proper divisors (7943528259).

12116760381 is a wasteful number, since it uses less digits than its factorization.

12116760381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995114 (or 995108 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 12116760381 in words is "twelve billion, one hundred sixteen million, seven hundred sixty thousand, three hundred eighty-one".