212112202311 has 32 divisors (see below), whose sum is σ = 320055280640. Its totient is φ = 138809764800.

The previous prime is 212112202279. The next prime is 212112202319. The reversal of 212112202311 is 113202211212.

212112202311 is a `hidden beast` number, since 2 + 1 + 211 + 220 + 231 + 1 = 666.

It is not a de Polignac number, because 212112202311 - 2⁵ = 212112202279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112202319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160866 + ... + 670896.

It is an arithmetic number, because the mean of its divisors is an integer number (10001727520).

Almost surely, 2^212112202311 is an apocalyptic number.

212112202311 is a deficient number, since it is larger than the sum of its proper divisors (107943078329).

212112202311 is a wasteful number, since it uses less digits than its factorization.

212112202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510324 (or 510318 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 212112202311 its reverse (113202211212), we get a palindrome (325314413523).

The spelling of 212112202311 in words is "two hundred twelve billion, one hundred twelve million, two hundred two thousand, three hundred eleven".