212220122112112 has 80 divisors (see below), whose sum is σ = 422164496564352. Its totient is φ = 103315676555520.

The previous prime is 212220122112109. The next prime is 212220122112133. The reversal of 212220122112112 is 211211221022212.

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, 48725662 + ... + 52902082.

Almost surely, 2^{212220122112112} is an apocalyptic number.

It is an amenable number.

212220122112112 is a deficient number, since it is larger than the sum of its proper divisors (209944374452240).

212220122112112 is a wasteful number, since it uses less digits than its factorization.

212220122112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177046 (or 4177040 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 212220122112112 its reverse (211211221022212), we get a palindrome (423431343134324).

The spelling of 212220122112112 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".