212012211112 has 32 divisors (see below), whose sum is σ = 453284029800. Its totient is φ = 92095801344.

The previous prime is 212012211107. The next prime is 212012211127. The reversal of 212012211112 is 211112210212.

It can be written as a sum of positive squares in 4 ways, for example, as 167914731076 + 44097480036 = 409774^2 + 209994^2 .

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, 59956437 + ... + 59959972.

Almost surely, 2^212012211112 is an apocalyptic number.

It is an amenable number.

212012211112 is an abundant number, since it is smaller than the sum of its proper divisors (241271818688).

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

212012211112 is a wasteful number, since it uses less digits than its factorization.

212012211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119916445 (or 119916441 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212012211112 its reverse (211112210212), we get a palindrome (423124421324).

The spelling of 212012211112 in words is "two hundred twelve billion, twelve million, two hundred eleven thousand, one hundred twelve".