112012202100 has 144 divisors (see below), whose sum is σ = 330368855040. Its totient is φ = 29293526400.

The previous prime is 112012202053. The next prime is 112012202117. The reversal of 112012202100 is 1202210211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7621359 + ... + 7636041.

It is an arithmetic number, because the mean of its divisors is an integer number (2294228160).

Almost surely, 2^112012202100 is an apocalyptic number.

112012202100 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 112012202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165184427520).

112012202100 is an abundant number, since it is smaller than the sum of its proper divisors (218356652940).

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

112012202100 is a wasteful number, since it uses less digits than its factorization.

112012202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190 (or 15183 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112012202100 its reverse (1202210211), we get a palindrome (113214412311).

The spelling of 112012202100 in words is "one hundred twelve billion, twelve million, two hundred two thousand, one hundred".