12339561122345 has 16 divisors (see below), whose sum is σ = 14895841178880. Its totient is φ = 9812883744384.

The previous prime is 12339561122341. The next prime is 12339561122351. The reversal of 12339561122345 is 54322116593321.

It is a cyclic number.

It is not a de Polignac number, because 12339561122345 - 2² = 12339561122341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12339561122345.

It is not an unprimeable number, because it can be changed into a prime (12339561122341) 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, 8497724 + ... + 9843293.

It is an arithmetic number, because the mean of its divisors is an integer number (930990073680).

Almost surely, 2^{12339561122345} is an apocalyptic number.

It is an amenable number.

12339561122345 is a deficient number, since it is larger than the sum of its proper divisors (2556280056535).

12339561122345 is a wasteful number, since it uses less digits than its factorization.

12339561122345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341824.

The product of its digits is 1166400, while the sum is 47.

The spelling of 12339561122345 in words is "twelve trillion, three hundred thirty-nine billion, five hundred sixty-one million, one hundred twenty-two thousand, three hundred forty-five".