12376681497 has 20 divisors (see below), whose sum is σ = 18544520016. Its totient is φ = 8226175320.

The previous prime is 12376681489. The next prime is 12376681511. The reversal of 12376681497 is 79418667321.

12376681497 is a `hidden beast` number, since 1 + 2 + 3 + 76 + 6 + 81 + 497 = 666.

It is not a de Polignac number, because 12376681497 - 2³ = 12376681489 is a prime.

It is a super-2 number, since 2×12376681497² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12376681417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 204003 + ... + 257624.

Almost surely, 2^12376681497 is an apocalyptic number.

It is an amenable number.

12376681497 is a deficient number, since it is larger than the sum of its proper divisors (6167838519).

12376681497 is an equidigital number, since it uses as much as digits as its factorization.

12376681497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461970 (or 461961 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 12376681497 in words is "twelve billion, three hundred seventy-six million, six hundred eighty-one thousand, four hundred ninety-seven".