12986176916 has 24 divisors (see below), whose sum is σ = 23518467840. Its totient is φ = 6266786400.

The previous prime is 12986176843. The next prime is 12986176921. The reversal of 12986176916 is 61967168921.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 303701 + ... + 343811.

It is an arithmetic number, because the mean of its divisors is an integer number (979936160).

Almost surely, 2^12986176916 is an apocalyptic number.

It is an amenable number.

12986176916 is a deficient number, since it is larger than the sum of its proper divisors (10532290924).

12986176916 is a wasteful number, since it uses less digits than its factorization.

12986176916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42935 (or 42933 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 56.

The spelling of 12986176916 in words is "twelve billion, nine hundred eighty-six million, one hundred seventy-six thousand, nine hundred sixteen".