12692359681 has 8 divisors (see below), whose sum is σ = 13461120000. Its totient is φ = 11926060608.

The previous prime is 12692359663. The next prime is 12692359711. The reversal of 12692359681 is 18695329621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12692359681 - 2⁵ = 12692359649 is a prime.

It is a super-2 number, since 2×12692359681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12692350681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604681 + ... + 625318.

It is an arithmetic number, because the mean of its divisors is an integer number (1682640000).

Almost surely, 2^12692359681 is an apocalyptic number.

It is an amenable number.

12692359681 is a deficient number, since it is larger than the sum of its proper divisors (768760319).

12692359681 is a wasteful number, since it uses less digits than its factorization.

12692359681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230623.

The product of its digits is 1399680, while the sum is 52.

The spelling of 12692359681 in words is "twelve billion, six hundred ninety-two million, three hundred fifty-nine thousand, six hundred eighty-one".