12872874956978 has 8 divisors (see below), whose sum is σ = 19758366213168. Its totient is φ = 6286752885924.

The previous prime is 12872874956951. The next prime is 12872874957031. The reversal of 12872874956978 is 87965947827821.

12872874956978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12872874956896 and 12872874956905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74842296176 + ... + 74842296347.

It is an arithmetic number, because the mean of its divisors is an integer number (2469795776646).

Almost surely, 2^{12872874956978} is an apocalyptic number.

12872874956978 is a deficient number, since it is larger than the sum of its proper divisors (6885491256190).

12872874956978 is a wasteful number, since it uses less digits than its factorization.

12872874956978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149684592568.

The product of its digits is 6827950080, while the sum is 83.

The spelling of 12872874956978 in words is "twelve trillion, eight hundred seventy-two billion, eight hundred seventy-four million, nine hundred fifty-six thousand, nine hundred seventy-eight".