12888918078992 has 10 divisors (see below), whose sum is σ = 24972278778078. Its totient is φ = 6444459039488.

The previous prime is 12888918078941. The next prime is 12888918079057. The reversal of 12888918078992 is 29987081988821.

It is a happy number.

12888918078992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8391821034496 + 4497097044496 = 2896864^2 + 2120636^2 .

It is a super-2 number, since 2×12888918078992² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402778689953 + ... + 402778689984.

Almost surely, 2^{12888918078992} is an apocalyptic number.

It is an amenable number.

12888918078992 is a deficient number, since it is larger than the sum of its proper divisors (12083360699086).

12888918078992 is an equidigital number, since it uses as much as digits as its factorization.

12888918078992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805557379945 (or 805557379939 counting only the distinct ones).

The product of its (nonzero) digits is 668860416, while the sum is 80.

The spelling of 12888918078992 in words is "twelve trillion, eight hundred eighty-eight billion, nine hundred eighteen million, seventy-eight thousand, nine hundred ninety-two".