12113288400 has 120 divisors (see below), whose sum is σ = 40141046880. Its totient is φ = 3118814720.

The previous prime is 12113288393. The next prime is 12113288431. The reversal of 12113288400 is 488231121.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139242 + ... + 208841.

It is an arithmetic number, because the mean of its divisors is an integer number (334508724).

Almost surely, 2^12113288400 is an apocalyptic number.

12113288400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113288400 is an abundant number, since it is smaller than the sum of its proper divisors (28027758480).

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

12113288400 is a wasteful number, since it uses less digits than its factorization.

12113288400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348133 (or 348122 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 12113288400 in words is "twelve billion, one hundred thirteen million, two hundred eighty-eight thousand, four hundred".