12113542242 has 12 divisors (see below), whose sum is σ = 26246008230. Its totient is φ = 4037847408.

The previous prime is 12113542229. The next prime is 12113542289. The reversal of 12113542242 is 24224531121.

12113542242 is a `hidden beast` number, since 1 + 2 + 113 + 542 + 2 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7817919561 + 4295622681 = 88419^2 + 65541^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336487267 + ... + 336487302.

Almost surely, 2^12113542242 is an apocalyptic number.

12113542242 is an abundant number, since it is smaller than the sum of its proper divisors (14132465988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113542242 is a wasteful number, since it uses less digits than its factorization.

12113542242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672974577 (or 672974574 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

It can be divided in two parts, 1211 and 3542242, that added together give a palindrome (3543453).

The spelling of 12113542242 in words is "twelve billion, one hundred thirteen million, five hundred forty-two thousand, two hundred forty-two".