12113313121 has 12 divisors (see below), whose sum is σ = 14990610432. Its totient is φ = 9584158896.

The previous prime is 12113313119. The next prime is 12113313131. The reversal of 12113313121 is 12131331121.

It is not a de Polignac number, because 12113313121 - 2¹ = 12113313119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12113313131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5118561 + ... + 5120926.

It is an arithmetic number, because the mean of its divisors is an integer number (1249217536).

Almost surely, 2^12113313121 is an apocalyptic number.

It is an amenable number.

12113313121 is a deficient number, since it is larger than the sum of its proper divisors (2877297311).

12113313121 is a wasteful number, since it uses less digits than its factorization.

12113313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10239520 (or 10239507 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 12113313121 its reverse (12131331121), we get a palindrome (24244644242).

The spelling of 12113313121 in words is "twelve billion, one hundred thirteen million, three hundred thirteen thousand, one hundred twenty-one".