12113322100 has 108 divisors (see below), whose sum is σ = 28950584544. Its totient is φ = 4396040000.

The previous prime is 12113322083. The next prime is 12113322113. The reversal of 12113322100 is 122331121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11748585 + ... + 11749615.

It is an arithmetic number, because the mean of its divisors is an integer number (268060968).

Almost surely, 2^12113322100 is an apocalyptic number.

12113322100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12113322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14475292272).

12113322100 is an abundant number, since it is smaller than the sum of its proper divisors (16837262444).

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

12113322100 is a wasteful number, since it uses less digits than its factorization.

12113322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12113322100 its reverse (122331121), we get a palindrome (12235653221).

The spelling of 12113322100 in words is "twelve billion, one hundred thirteen million, three hundred twenty-two thousand, one hundred".