112012212021100 has 72 divisors (see below), whose sum is σ = 257393608754688. Its totient is φ = 42164538700800.

The previous prime is 112012212021071. The next prime is 112012212021109. The reversal of 112012212021100 is 1120212210211.

It is not an unprimeable number, because it can be changed into a prime (112012212021109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11345749 + ... + 18781651.

It is an arithmetic number, because the mean of its divisors is an integer number (3574911232704).

Almost surely, 2^{112012212021100} is an apocalyptic number.

112012212021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012212021100 is an abundant number, since it is smaller than the sum of its proper divisors (145381396733588).

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

112012212021100 is a wasteful number, since it uses less digits than its factorization.

112012212021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444795 (or 7444788 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112012212021100 its reverse (1120212210211), we get a palindrome (113132424231311).

The spelling of 112012212021100 in words is "one hundred twelve trillion, twelve billion, two hundred twelve million, twenty-one thousand, one hundred".