12702367779038 has 16 divisors (see below), whose sum is σ = 21779279416320. Its totient is φ = 5442923956536.

The previous prime is 12702367779019. The next prime is 12702367779041. The reversal of 12702367779038 is 83097776320721.

It is a happy number.

It is a super-2 number, since 2×12702367779038² (a number of 27 digits) contains 22 as substring.

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, 78912458 + ... + 79073261.

It is an arithmetic number, because the mean of its divisors is an integer number (1361204963520).

Almost surely, 2^{12702367779038} is an apocalyptic number.

12702367779038 is a deficient number, since it is larger than the sum of its proper divisors (9076911637282).

12702367779038 is a wasteful number, since it uses less digits than its factorization.

12702367779038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157991471.

The product of its (nonzero) digits is 37340352, while the sum is 62.

The spelling of 12702367779038 in words is "twelve trillion, seven hundred two billion, three hundred sixty-seven million, seven hundred seventy-nine thousand, thirty-eight".