211312204 has 12 divisors (see below), whose sum is σ = 370233864. Its totient is φ = 105531104.

The previous prime is 211312181. The next prime is 211312223. The reversal of 211312204 is 402213112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27394 + ... + 34249.

It is an arithmetic number, because the mean of its divisors is an integer number (30852822).

Almost surely, 2^211312204 is an apocalyptic number.

It is an amenable number.

211312204 is a deficient number, since it is larger than the sum of its proper divisors (158921660).

211312204 is a wasteful number, since it uses less digits than its factorization.

211312204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62504 (or 62502 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211312204 is about 14536.5815788995. The cubic root of 211312204 is about 595.6276633306.

Adding to 211312204 its reverse (402213112), we get a palindrome (613525316).

The spelling of 211312204 in words is "two hundred eleven million, three hundred twelve thousand, two hundred four".