12688860171 has 8 divisors (see below), whose sum is σ = 18219901840. Its totient is φ = 7808529312.

The previous prime is 12688860169. The next prime is 12688860181. The reversal of 12688860171 is 17106888621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12688860171 - 2¹ = 12688860169 is a prime.

It is a super-2 number, since 2×12688860171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12688860171.

It is not an unprimeable number, because it can be changed into a prime (12688860131) 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, 162677656 + ... + 162677733.

It is an arithmetic number, because the mean of its divisors is an integer number (2277487730).

Almost surely, 2^12688860171 is an apocalyptic number.

12688860171 is a deficient number, since it is larger than the sum of its proper divisors (5531041669).

12688860171 is a wasteful number, since it uses less digits than its factorization.

12688860171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325355405.

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 12688860171 in words is "twelve billion, six hundred eighty-eight million, eight hundred sixty thousand, one hundred seventy-one".