12113242124 has 24 divisors (see below), whose sum is σ = 21504758688. Its totient is φ = 5969089280.

The previous prime is 12113242111. The next prime is 12113242187. The reversal of 12113242124 is 42124231121.

It is a self number, because there is not a number n which added to its sum of digits gives 12113242124.

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 7 ways as a sum of consecutive naturals, for example, 963044 + ... + 975540.

It is an arithmetic number, because the mean of its divisors is an integer number (896031612).

Almost surely, 2^12113242124 is an apocalyptic number.

It is an amenable number.

12113242124 is a deficient number, since it is larger than the sum of its proper divisors (9391516564).

12113242124 is a wasteful number, since it uses less digits than its factorization.

12113242124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15985 (or 15983 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 12113242124 its reverse (42124231121), we get a palindrome (54237473245).

The spelling of 12113242124 in words is "twelve billion, one hundred thirteen million, two hundred forty-two thousand, one hundred twenty-four".