12615134316 has 24 divisors (see below), whose sum is σ = 29439209520. Its totient is φ = 4204488192.

The previous prime is 12615134297. The next prime is 12615134317. The reversal of 12615134316 is 61343151621.

It is a happy number.

It is a super-2 number, since 2×12615134316² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12615134317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30640 + ... + 161768.

It is an arithmetic number, because the mean of its divisors is an integer number (1226633730).

Almost surely, 2^12615134316 is an apocalyptic number.

It is an amenable number.

12615134316 is an abundant number, since it is smaller than the sum of its proper divisors (16824075204).

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

12615134316 is a wasteful number, since it uses less digits than its factorization.

12615134316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139153 (or 139151 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

Adding to 12615134316 its reverse (61343151621), we get a palindrome (73958285937).

The spelling of 12615134316 in words is "twelve billion, six hundred fifteen million, one hundred thirty-four thousand, three hundred sixteen".