12699785116 has 24 divisors (see below), whose sum is σ = 22420676096. Its totient is φ = 6293972160.

The previous prime is 12699785089. The next prime is 12699785141. The reversal of 12699785116 is 61158799621.

It is a happy number.

It is a super-2 number, since 2×12699785116² (a number of 21 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, 556246 + ... + 578626.

Almost surely, 2^12699785116 is an apocalyptic number.

It is an amenable number.

12699785116 is a deficient number, since it is larger than the sum of its proper divisors (9720890980).

12699785116 is a wasteful number, since it uses less digits than its factorization.

12699785116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23629 (or 23627 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 55.

The spelling of 12699785116 in words is "twelve billion, six hundred ninety-nine million, seven hundred eighty-five thousand, one hundred sixteen".