212020112222112 has 96 divisors (see below), whose sum is σ = 587126985883200. Its totient is φ = 66807212341248.

The previous prime is 212020112222081. The next prime is 212020112222129. The reversal of 212020112222112 is 211222211020212.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 126342687 + ... + 128009822.

It is an arithmetic number, because the mean of its divisors is an integer number (6115906102950).

Almost surely, 2^{212020112222112} is an apocalyptic number.

It is an amenable number.

212020112222112 is an abundant number, since it is smaller than the sum of its proper divisors (375106873661088).

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

212020112222112 is a wasteful number, since it uses less digits than its factorization.

212020112222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254352998 (or 254352990 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212020112222112 its reverse (211222211020212), we get a palindrome (423242323242324).

The spelling of 212020112222112 in words is "two hundred twelve trillion, twenty billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".