12113545242 has 32 divisors (see below), whose sum is σ = 24438546432. Its totient is φ = 4002660144.

The previous prime is 12113545229. The next prime is 12113545277. The reversal of 12113545242 is 24254531121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989853 + ... + 1002015.

It is an arithmetic number, because the mean of its divisors is an integer number (763704576).

Almost surely, 2^12113545242 is an apocalyptic number.

12113545242 is an abundant number, since it is smaller than the sum of its proper divisors (12325001190).

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

12113545242 is a wasteful number, since it uses less digits than its factorization.

12113545242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602.

The product of its digits is 9600, while the sum is 30.

It can be divided in two parts, 1211 and 3545242, that added together give a palindrome (3546453).

The spelling of 12113545242 in words is "twelve billion, one hundred thirteen million, five hundred forty-five thousand, two hundred forty-two".