212033210 has 32 divisors (see below), whose sum is σ = 397420560. Its totient is φ = 81349632.

The previous prime is 212033203. The next prime is 212033221. The reversal of 212033210 is 12330212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 32821441 + 179211769 = 5729^2 + 13387^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43202 + ... + 47858.

Almost surely, 2^212033210 is an apocalyptic number.

212033210 is a deficient number, since it is larger than the sum of its proper divisors (185387350).

212033210 is a wasteful number, since it uses less digits than its factorization.

212033210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212033210 is about 14561.3601699841. The cubic root of 212033210 is about 596.3043297349.

Adding to 212033210 its reverse (12330212), we get a palindrome (224363422).

The spelling of 212033210 in words is "two hundred twelve million, thirty-three thousand, two hundred ten".