12113215113 has 16 divisors (see below), whose sum is σ = 16190254080. Its totient is φ = 8055852816.

The previous prime is 12113215109. The next prime is 12113215157. The reversal of 12113215113 is 31151231121.

It is not a de Polignac number, because 12113215113 - 2² = 12113215109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12113215113.

It is not an unprimeable number, because it can be changed into a prime (12113215183) 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, 2586508 + ... + 2591186.

It is an arithmetic number, because the mean of its divisors is an integer number (1011890880).

Almost surely, 2^12113215113 is an apocalyptic number.

It is an amenable number.

12113215113 is a deficient number, since it is larger than the sum of its proper divisors (4077038967).

12113215113 is a wasteful number, since it uses less digits than its factorization.

12113215113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6596.

The product of its digits is 180, while the sum is 21.

Adding to 12113215113 its reverse (31151231121), we get a palindrome (43264446234).

The spelling of 12113215113 in words is "twelve billion, one hundred thirteen million, two hundred fifteen thousand, one hundred thirteen".