12777301994 has 16 divisors (see below), whose sum is σ = 19741571520. Its totient is φ = 6198746400.

The previous prime is 12777301937. The next prime is 12777302003. The reversal of 12777301994 is 49910377721.

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, 478979 + ... + 504950.

It is an arithmetic number, because the mean of its divisors is an integer number (1233848220).

Almost surely, 2^12777301994 is an apocalyptic number.

12777301994 is a deficient number, since it is larger than the sum of its proper divisors (6964269526).

12777301994 is a wasteful number, since it uses less digits than its factorization.

12777301994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984125.

The product of its (nonzero) digits is 666792, while the sum is 50.

The spelling of 12777301994 in words is "twelve billion, seven hundred seventy-seven million, three hundred one thousand, nine hundred ninety-four".