12790001278 has 16 divisors (see below), whose sum is σ = 20315675520. Its totient is φ = 6022140696.

The previous prime is 12790001149. The next prime is 12790001293. The reversal of 12790001278 is 87210009721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001376 + ... + 1014067.

It is an arithmetic number, because the mean of its divisors is an integer number (1269729720).

Almost surely, 2^12790001278 is an apocalyptic number.

12790001278 is a deficient number, since it is larger than the sum of its proper divisors (7525674242).

12790001278 is a wasteful number, since it uses less digits than its factorization.

12790001278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015631.

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 12790001278 in words is "twelve billion, seven hundred ninety million, one thousand, two hundred seventy-eight".