212212231112 has 32 divisors (see below), whose sum is σ = 474511824000. Its totient is φ = 86993833344.

The previous prime is 212212231109. The next prime is 212212231129. The reversal of 212212231112 is 211132212212.

212212231112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 82379237 + ... + 82381812.

It is an arithmetic number, because the mean of its divisors is an integer number (14828494500).

Almost surely, 2^212212231112 is an apocalyptic number.

It is an amenable number.

212212231112 is an abundant number, since it is smaller than the sum of its proper divisors (262299592888).

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

212212231112 is a wasteful number, since it uses less digits than its factorization.

212212231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164761085 (or 164761081 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

Adding to 212212231112 its reverse (211132212212), we get a palindrome (423344443324).

The spelling of 212212231112 in words is "two hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, one hundred twelve".