212230311112 has 16 divisors (see below), whose sum is σ = 398004943500. Its totient is φ = 106095659520.

The previous prime is 212230311037. The next prime is 212230311121. The reversal of 212230311112 is 211113032212.

It can be written as a sum of positive squares in 2 ways, for example, as 210631430916 + 1598880196 = 458946^2 + 39986^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212230311112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390689 + ... + 2477872.

Almost surely, 2^212230311112 is an apocalyptic number.

It is an amenable number.

212230311112 is a deficient number, since it is larger than the sum of its proper divisors (185774632388).

212230311112 is a wasteful number, since it uses less digits than its factorization.

212230311112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874016 (or 4874012 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 212230311112 its reverse (211113032212), we get a palindrome (423343343324).

The spelling of 212230311112 in words is "two hundred twelve billion, two hundred thirty million, three hundred eleven thousand, one hundred twelve".