12702723864 has 16 divisors (see below), whose sum is σ = 31756809720. Its totient is φ = 4234241280.

The previous prime is 12702723791. The next prime is 12702723871. The reversal of 12702723864 is 46832720721.

It is a happy number.

It is a super-2 number, since 2×12702723864² (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 3 ways as a sum of consecutive naturals, for example, 264640057 + ... + 264640104.

Almost surely, 2^12702723864 is an apocalyptic number.

It is an amenable number.

12702723864 is an abundant number, since it is smaller than the sum of its proper divisors (19054085856).

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

12702723864 is a wasteful number, since it uses less digits than its factorization.

12702723864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529280170 (or 529280166 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 12702723864 in words is "twelve billion, seven hundred two million, seven hundred twenty-three thousand, eight hundred sixty-four".