12386497131 has 16 divisors (see below), whose sum is σ = 18402364320. Its totient is φ = 8234265600.

The previous prime is 12386497121. The next prime is 12386497133. The reversal of 12386497131 is 13179468321.

12386497131 is a `hidden beast` number, since 1 + 23 + 8 + 6 + 497 + 131 = 666.

It is not a de Polignac number, because 12386497131 - 2¹⁴ = 12386480747 is a prime.

It is a super-2 number, since 2×12386497131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12386497133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640270 + ... + 659331.

It is an arithmetic number, because the mean of its divisors is an integer number (1150147770).

Almost surely, 2^12386497131 is an apocalyptic number.

12386497131 is a deficient number, since it is larger than the sum of its proper divisors (6015867189).

12386497131 is a wasteful number, since it uses less digits than its factorization.

12386497131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299963 (or 1299957 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 12386497131 in words is "twelve billion, three hundred eighty-six million, four hundred ninety-seven thousand, one hundred thirty-one".