12856800378 has 32 divisors (see below), whose sum is σ = 25939469952. Its totient is φ = 4248115200.

The previous prime is 12856800331. The next prime is 12856800419. The reversal of 12856800378 is 87300865821.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305643 + ... + 345153.

It is an arithmetic number, because the mean of its divisors is an integer number (810608436).

Almost surely, 2^12856800378 is an apocalyptic number.

12856800378 is an abundant number, since it is smaller than the sum of its proper divisors (13082669574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12856800378 is a wasteful number, since it uses less digits than its factorization.

12856800378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39990.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 12856800378 in words is "twelve billion, eight hundred fifty-six million, eight hundred thousand, three hundred seventy-eight".