12113404252 has 12 divisors (see below), whose sum is σ = 21200470200. Its totient is φ = 6056127056.

The previous prime is 12113404243. The next prime is 12113404253. The reversal of 12113404252 is 25240431121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113404253) 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, 94498 + ... + 182089.

It is an arithmetic number, because the mean of its divisors is an integer number (1766705850).

Almost surely, 2^12113404252 is an apocalyptic number.

It is an amenable number.

12113404252 is a deficient number, since it is larger than the sum of its proper divisors (9087065948).

12113404252 is a wasteful number, since it uses less digits than its factorization.

12113404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287540 (or 287538 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12113404252 its reverse (25240431121), we get a palindrome (37353835373).

The spelling of 12113404252 in words is "twelve billion, one hundred thirteen million, four hundred four thousand, two hundred fifty-two".