12707507331 has 6 divisors (see below), whose sum is σ = 18355288380. Its totient is φ = 8471671548.

The previous prime is 12707507311. The next prime is 12707507333. The reversal of 12707507331 is 13370570721.

12707507331 is a `hidden beast` number, since 1 + 270 + 7 + 50 + 7 + 331 = 666.

It is not a de Polignac number, because 12707507331 - 2⁵ = 12707507299 is a prime.

It is a super-2 number, since 2×12707507331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12707507333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 705972621 + ... + 705972638.

It is an arithmetic number, because the mean of its divisors is an integer number (3059214730).

Almost surely, 2^12707507331 is an apocalyptic number.

12707507331 is a deficient number, since it is larger than the sum of its proper divisors (5647781049).

12707507331 is a wasteful number, since it uses less digits than its factorization.

12707507331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411945265 (or 1411945262 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The spelling of 12707507331 in words is "twelve billion, seven hundred seven million, five hundred seven thousand, three hundred thirty-one".