12709615688 has 48 divisors (see below), whose sum is σ = 30241350000. Its totient is φ = 4951796640.

The previous prime is 12709615687. The next prime is 12709615691. The reversal of 12709615688 is 88651690721.

It is not an unprimeable number, because it can be changed into a prime (12709615687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1469438 + ... + 1478061.

It is an arithmetic number, because the mean of its divisors is an integer number (630028125).

Almost surely, 2^12709615688 is an apocalyptic number.

It is an amenable number.

12709615688 is an abundant number, since it is smaller than the sum of its proper divisors (17531734312).

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

12709615688 is a wasteful number, since it uses less digits than its factorization.

12709615688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947530 (or 2947519 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 12709615688 in words is "twelve billion, seven hundred nine million, six hundred fifteen thousand, six hundred eighty-eight".