12113233556 has 12 divisors (see below), whose sum is σ = 21203695968. Its totient is φ = 6055034712.

The previous prime is 12113233553. The next prime is 12113233579. The reversal of 12113233556 is 65533231121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113233553) 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, 378206 + ... + 408981.

It is an arithmetic number, because the mean of its divisors is an integer number (1766974664).

Almost surely, 2^12113233556 is an apocalyptic number.

It is an amenable number.

12113233556 is a deficient number, since it is larger than the sum of its proper divisors (9090462412).

12113233556 is a wasteful number, since it uses less digits than its factorization.

12113233556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791038 (or 791036 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

Adding to 12113233556 its reverse (65533231121), we get a palindrome (77646464677).

The spelling of 12113233556 in words is "twelve billion, one hundred thirteen million, two hundred thirty-three thousand, five hundred fifty-six".