12396685120 has 28 divisors (see below), whose sum is σ = 29519607204. Its totient is φ = 4958673920.

The previous prime is 12396685111. The next prime is 12396685127. The reversal of 12396685120 is 2158669321.

It can be written as a sum of positive squares in 2 ways, for example, as 1802511936 + 10594173184 = 42456^2 + 102928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12396685127) 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, 19369501 + ... + 19370140.

Almost surely, 2^12396685120 is an apocalyptic number.

12396685120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12396685120 is an abundant number, since it is smaller than the sum of its proper divisors (17122922084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12396685120 is an equidigital number, since it uses as much as digits as its factorization.

12396685120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38739658 (or 38739648 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 12396685120 in words is "twelve billion, three hundred ninety-six million, six hundred eighty-five thousand, one hundred twenty".