12868142817 has 16 divisors (see below), whose sum is σ = 17397710208. Its totient is φ = 8458738560.

The previous prime is 12868142803. The next prime is 12868142857. The reversal of 12868142817 is 71824186821.

It is not a de Polignac number, because 12868142817 - 2⁷ = 12868142689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12868142857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997267 + ... + 1010087.

It is an arithmetic number, because the mean of its divisors is an integer number (1087356888).

Almost surely, 2^12868142817 is an apocalyptic number.

It is an amenable number.

12868142817 is a deficient number, since it is larger than the sum of its proper divisors (4529567391).

12868142817 is a wasteful number, since it uses less digits than its factorization.

12868142817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480.

The product of its digits is 344064, while the sum is 48.

The spelling of 12868142817 in words is "twelve billion, eight hundred sixty-eight million, one hundred forty-two thousand, eight hundred seventeen".