12221658113 has 16 divisors (see below), whose sum is σ = 14343673344. Its totient is φ = 10196124480.

The previous prime is 12221658109. The next prime is 12221658121. The reversal of 12221658113 is 31185612221.

It is a cyclic number.

It is not a de Polignac number, because 12221658113 - 2² = 12221658109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12221658113.

It is not an unprimeable number, because it can be changed into a prime (12221658193) 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, 43070 + ... + 162167.

It is an arithmetic number, because the mean of its divisors is an integer number (896479584).

Almost surely, 2^12221658113 is an apocalyptic number.

It is an amenable number.

12221658113 is a deficient number, since it is larger than the sum of its proper divisors (2122015231).

12221658113 is a wasteful number, since it uses less digits than its factorization.

12221658113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205472.

The product of its digits is 5760, while the sum is 32.

The spelling of 12221658113 in words is "twelve billion, two hundred twenty-one million, six hundred fifty-eight thousand, one hundred thirteen".