12015918976 has 16 divisors (see below), whose sum is σ = 23937963840. Its totient is φ = 6007959424.

The previous prime is 12015918973. The next prime is 12015918989. The reversal of 12015918976 is 67981951021.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12015918973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46937056 + ... + 46937311.

It is an arithmetic number, because the mean of its divisors is an integer number (1496122740).

Almost surely, 2^12015918976 is an apocalyptic number.

12015918976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12015918976 is a deficient number, since it is larger than the sum of its proper divisors (11922044864).

12015918976 is an frugal number, since it uses more digits than its factorization.

12015918976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93874381 (or 93874369 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 49.

The spelling of 12015918976 in words is "twelve billion, fifteen million, nine hundred eighteen thousand, nine hundred seventy-six".