211304212 has 12 divisors (see below), whose sum is σ = 422608480. Its totient is φ = 90558936.

The previous prime is 211304209. The next prime is 211304257. The reversal of 211304212 is 212403112.

211304212 is an admirable number.

It is a congruent number.

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, 3773262 + ... + 3773317.

Almost surely, 2^211304212 is an apocalyptic number.

It is an amenable number.

211304212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211304212 is a wasteful number, since it uses less digits than its factorization.

211304212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7546590 (or 7546588 counting only the distinct ones).

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

The square root of 211304212 is about 14536.3066836112. The cubic root of 211304212 is about 595.6201541945.

Adding to 211304212 its reverse (212403112), we get a palindrome (423707324).

The spelling of 211304212 in words is "two hundred eleven million, three hundred four thousand, two hundred twelve".