212112222022112 has 24 divisors (see below), whose sum is σ = 417912537596400. Its totient is φ = 105975704537344.

The previous prime is 212112222022109. The next prime is 212112222022157. The reversal of 212112222022112 is 211220222211212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2512659437 + ... + 2512743852.

It is an arithmetic number, because the mean of its divisors is an integer number (17413022399850).

Almost surely, 2^{212112222022112} is an apocalyptic number.

It is an amenable number.

212112222022112 is a deficient number, since it is larger than the sum of its proper divisors (205800315574288).

212112222022112 is a wasteful number, since it uses less digits than its factorization.

212112222022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025404618 (or 5025404610 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 212112222022112 its reverse (211220222211212), we get a palindrome (423332444233324).

The spelling of 212112222022112 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred twelve".