12968031976 has 32 divisors (see below), whose sum is σ = 24529443840. Its totient is φ = 6426943488.

The previous prime is 12968031961. The next prime is 12968032009. The reversal of 12968031976 is 67913086921.

It is a happy number.

12968031976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200616 + ... + 1211368.

It is an arithmetic number, because the mean of its divisors is an integer number (766545120).

Almost surely, 2^12968031976 is an apocalyptic number.

It is an amenable number.

12968031976 is a deficient number, since it is larger than the sum of its proper divisors (11561411864).

12968031976 is a wasteful number, since it uses less digits than its factorization.

12968031976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073 (or 12069 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

Subtracting 12968031976 from its reverse (67913086921), we obtain a palindrome (54945054945).

The spelling of 12968031976 in words is "twelve billion, nine hundred sixty-eight million, thirty-one thousand, nine hundred seventy-six".