212201202210 has 32 divisors (see below), whose sum is σ = 509295442752. Its totient is φ = 56585592000.

The previous prime is 212201202209. The next prime is 212201202223. The reversal of 212201202210 is 12202102212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212201202210.

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, 1869585 + ... + 1979835.

It is an arithmetic number, because the mean of its divisors is an integer number (15915482586).

Almost surely, 2^212201202210 is an apocalyptic number.

212201202210 is an abundant number, since it is smaller than the sum of its proper divisors (297094240542).

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

212201202210 is a wasteful number, since it uses less digits than its factorization.

212201202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174418.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212201202210 its reverse (12202102212), we get a palindrome (224403304422).

The spelling of 212201202210 in words is "two hundred twelve billion, two hundred one million, two hundred two thousand, two hundred ten".