12131324204 has 24 divisors (see below), whose sum is σ = 21335196960. Its totient is φ = 6035608064.

The previous prime is 12131324201. The next prime is 12131324213. The reversal of 12131324204 is 40242313121.

It is a self number, because there is not a number n which added to its sum of digits gives 12131324204.

It is not an unprimeable number, because it can be changed into a prime (12131324201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971102 + ... + 983514.

It is an arithmetic number, because the mean of its divisors is an integer number (888966540).

Almost surely, 2^12131324204 is an apocalyptic number.

It is an amenable number.

12131324204 is a deficient number, since it is larger than the sum of its proper divisors (9203872756).

12131324204 is a wasteful number, since it uses less digits than its factorization.

12131324204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609 (or 13607 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12131324204 its reverse (40242313121), we get a palindrome (52373637325).

The spelling of 12131324204 in words is "twelve billion, one hundred thirty-one million, three hundred twenty-four thousand, two hundred four".