12685070912 has 28 divisors (see below), whose sum is σ = 25177447740. Its totient is φ = 6341147136.

The previous prime is 12685070911. The next prime is 12685070921. The reversal of 12685070912 is 21907058621.

It can be written as a sum of positive squares in 2 ways, for example, as 7282232896 + 5402838016 = 85336^2 + 73504^2 .

It is a super-2 number, since 2×12685070912² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12685070912.

It is not an unprimeable number, because it can be changed into a prime (12685070911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312998 + ... + 351194.

Almost surely, 2^12685070912 is an apocalyptic number.

It is an amenable number.

12685070912 is a deficient number, since it is larger than the sum of its proper divisors (12492376828).

12685070912 is an equidigital number, since it uses as much as digits as its factorization.

12685070912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43398 (or 43388 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 12685070912 in words is "twelve billion, six hundred eighty-five million, seventy thousand, nine hundred twelve".