12617210230417 has 4 divisors (see below), whose sum is σ = 13587764863540. Its totient is φ = 11646655597296.

The previous prime is 12617210230399. The next prime is 12617210230421. The reversal of 12617210230417 is 71403201271621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5945326396416 + 6671883834001 = 2438304^2 + 2582999^2 .

It is a cyclic number.

It is not a de Polignac number, because 12617210230417 - 2²³ = 12617201841809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12617210230817) 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, 485277316542 + ... + 485277316567.

It is an arithmetic number, because the mean of its divisors is an integer number (3396941215885).

Almost surely, 2^{12617210230417} is an apocalyptic number.

It is an amenable number.

12617210230417 is a deficient number, since it is larger than the sum of its proper divisors (970554633123).

12617210230417 is an equidigital number, since it uses as much as digits as its factorization.

12617210230417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970554633122.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 12617210230417 in words is "twelve trillion, six hundred seventeen billion, two hundred ten million, two hundred thirty thousand, four hundred seventeen".