12131113242 has 8 divisors (see below), whose sum is σ = 24262226496. Its totient is φ = 4043704412.

The previous prime is 12131113219. The next prime is 12131113243. The reversal of 12131113242 is 24231113121.

It is a sphenic number, since it is the product of 3 distinct primes.

12131113242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12131113243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010926098 + ... + 1010926109.

It is an arithmetic number, because the mean of its divisors is an integer number (3032778312).

Almost surely, 2^12131113242 is an apocalyptic number.

12131113242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12131113242 is a wasteful number, since it uses less digits than its factorization.

12131113242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021852212.

The product of its digits is 288, while the sum is 21.

Adding to 12131113242 its reverse (24231113121), we get a palindrome (36362226363).

The spelling of 12131113242 in words is "twelve billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred forty-two".