12992121872012 has 6 divisors (see below), whose sum is σ = 22736213276028. Its totient is φ = 6496060936004.

The previous prime is 12992121871997. The next prime is 12992121872053. The reversal of 12992121872012 is 21027812129921.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624015233998 + ... + 1624015234005.

It is an arithmetic number, because the mean of its divisors is an integer number (3789368879338).

Almost surely, 2^{12992121872012} is an apocalyptic number.

It is an amenable number.

12992121872012 is a deficient number, since it is larger than the sum of its proper divisors (9744091404016).

12992121872012 is a wasteful number, since it uses less digits than its factorization.

12992121872012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248030468007 (or 3248030468005 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 12992121872012 in words is "twelve trillion, nine hundred ninety-two billion, one hundred twenty-one million, eight hundred seventy-two thousand, twelve".