212142043112 has 16 divisors (see below), whose sum is σ = 397839037860. Its totient is φ = 106051633024.

The previous prime is 212142043109. The next prime is 212142043151. The reversal of 212142043112 is 211340241212.

212142043112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 178207245316 + 33934797796 = 422146^2 + 184214^2 .

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, 2377013 + ... + 2464644.

Almost surely, 2^212142043112 is an apocalyptic number.

It is an amenable number.

212142043112 is a deficient number, since it is larger than the sum of its proper divisors (185696994748).

212142043112 is a wasteful number, since it uses less digits than its factorization.

212142043112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847140 (or 4847136 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212142043112 its reverse (211340241212), we get a palindrome (423482284324).

The spelling of 212142043112 in words is "two hundred twelve billion, one hundred forty-two million, forty-three thousand, one hundred twelve".