112212100212112 has 20 divisors (see below), whose sum is σ = 226863593907840. Its totient is φ = 53666656623008.

The previous prime is 112212100212071. The next prime is 112212100212133. The reversal of 112212100212112 is 211212001212211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 112212100212112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152462092312 + ... + 152462093047.

It is an arithmetic number, because the mean of its divisors is an integer number (11343179695392).

Almost surely, 2^{112212100212112} is an apocalyptic number.

It is an amenable number.

112212100212112 is an abundant number, since it is smaller than the sum of its proper divisors (114651493695728).

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

112212100212112 is a wasteful number, since it uses less digits than its factorization.

112212100212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304924185390 (or 304924185384 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112212100212112 its reverse (211212001212211), we get a palindrome (323424101424323).

The spelling of 112212100212112 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred million, two hundred twelve thousand, one hundred twelve".