210000212 has 24 divisors (see below), whose sum is σ = 385498176. Its totient is φ = 99906048.

The previous prime is 210000199. The next prime is 210000239. The reversal of 210000212 is 212000012.

It is a self number, because there is not a number n which added to its sum of digits gives 210000212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11843 + ... + 23669.

It is an arithmetic number, because the mean of its divisors is an integer number (16062424).

Almost surely, 2^210000212 is an apocalyptic number.

It is an amenable number.

210000212 is a deficient number, since it is larger than the sum of its proper divisors (175497964).

210000212 is a wasteful number, since it uses less digits than its factorization.

210000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12047 (or 12045 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 210000212 is about 14491.3840608825. The cubic root of 210000212 is about 594.3923952939.

Adding to 210000212 its reverse (212000012), we get a palindrome (422000224).

The spelling of 210000212 in words is "two hundred ten million, two hundred twelve", and thus it is an aban number.