210213212 has 12 divisors (see below), whose sum is σ = 401316216. Its totient is φ = 95551440.

The previous prime is 210213173. The next prime is 210213221. The reversal of 210213212 is 212312012.

It is a happy number.

210213212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2388743 + ... + 2388830.

It is an arithmetic number, because the mean of its divisors is an integer number (33443018).

Almost surely, 2^210213212 is an apocalyptic number.

210213212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210213212 is a deficient number, since it is larger than the sum of its proper divisors (191103004).

210213212 is a wasteful number, since it uses less digits than its factorization.

210213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777588 (or 4777586 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 210213212 is about 14498.7313927805. The cubic root of 210213212 is about 594.5932884238.

Adding to 210213212 its reverse (212312012), we get a palindrome (422525224).

The spelling of 210213212 in words is "two hundred ten million, two hundred thirteen thousand, two hundred twelve".