12241552113 has 20 divisors (see below), whose sum is σ = 20899158720. Its totient is φ = 6995172312.

The previous prime is 12241552073. The next prime is 12241552159. The reversal of 12241552113 is 31125514221.

It is a happy number.

12241552113 is a `hidden beast` number, since 122 + 4 + 1 + 5 + 521 + 13 = 666.

It is not a de Polignac number, because 12241552113 - 2²⁰ = 12240503537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12241502113) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10794453 + ... + 10795586.

It is an arithmetic number, because the mean of its divisors is an integer number (1044957936).

Almost surely, 2^12241552113 is an apocalyptic number.

It is an amenable number.

12241552113 is a deficient number, since it is larger than the sum of its proper divisors (8657606607).

12241552113 is an equidigital number, since it uses as much as digits as its factorization.

12241552113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21590058 (or 21590049 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The spelling of 12241552113 in words is "twelve billion, two hundred forty-one million, five hundred fifty-two thousand, one hundred thirteen".