210201212 has 12 divisors (see below), whose sum is σ = 396148536. Its totient is φ = 97015920.

The previous prime is 210201203. The next prime is 210201223. The reversal of 210201212 is 212102012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210201193 and 210201202.

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, 2021114 + ... + 2021217.

It is an arithmetic number, because the mean of its divisors is an integer number (33012378).

Almost surely, 2^210201212 is an apocalyptic number.

It is an amenable number.

210201212 is a deficient number, since it is larger than the sum of its proper divisors (185947324).

210201212 is a wasteful number, since it uses less digits than its factorization.

210201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042348 (or 4042346 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 210201212 is about 14498.3175575651. The cubic root of 210201212 is about 594.5819741092.

Adding to 210201212 its reverse (212102012), we get a palindrome (422303224).

The spelling of 210201212 in words is "two hundred ten million, two hundred one thousand, two hundred twelve".