212112011112 has 32 divisors (see below), whose sum is σ = 530295076800. Its totient is φ = 70701997184.

The previous prime is 212112011093. The next prime is 212112011213. The reversal of 212112011112 is 211110211212.

It is a happy number.

It is a super-2 number, since 2×212112011112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212112011091 and 212112011100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 913564 + ... + 1121972.

It is an arithmetic number, because the mean of its divisors is an integer number (16571721150).

Almost surely, 2^212112011112 is an apocalyptic number.

It is an amenable number.

212112011112 is an abundant number, since it is smaller than the sum of its proper divisors (318183065688).

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

212112011112 is a wasteful number, since it uses less digits than its factorization.

212112011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250825 (or 250821 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212112011112 its reverse (211110211212), we get a palindrome (423222222324).

The spelling of 212112011112 in words is "two hundred twelve billion, one hundred twelve million, eleven thousand, one hundred twelve".