112212002100 has 576 divisors, whose sum is σ = 383267469312. Its totient is φ = 25073664000.

The previous prime is 112212001927. The next prime is 112212002101. The reversal of 112212002100 is 1200212211.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212002101) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 332973132 + ... + 332973468.

It is an arithmetic number, because the mean of its divisors is an integer number (665394912).

Almost surely, 2^112212002100 is an apocalyptic number.

112212002100 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 112212002100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191633734656).

112212002100 is an abundant number, since it is smaller than the sum of its proper divisors (271055467212).

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

112212002100 is a wasteful number, since it uses less digits than its factorization.

112212002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 529 counting only the distinct ones).

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

Adding to 112212002100 its reverse (1200212211), we get a palindrome (113412214311).

The spelling of 112212002100 in words is "one hundred twelve billion, two hundred twelve million, two thousand, one hundred".