212112210201112 has 64 divisors (see below), whose sum is σ = 447506573976000. Its totient is φ = 93519739551744.

The previous prime is 212112210201097. The next prime is 212112210201197. The reversal of 212112210201112 is 211102012211212.

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 212112210201112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55817037 + ... + 59495932.

It is an arithmetic number, because the mean of its divisors is an integer number (6992290218375).

Almost surely, 2^{212112210201112} is an apocalyptic number.

It is an amenable number.

212112210201112 is an abundant number, since it is smaller than the sum of its proper divisors (235394363774888).

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

212112210201112 is a wasteful number, since it uses less digits than its factorization.

212112210201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115313780 (or 115313776 counting only the distinct ones).

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

Adding to 212112210201112 its reverse (211102012211212), we get a palindrome (423214222412324).

The spelling of 212112210201112 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred ten million, two hundred one thousand, one hundred twelve".