212212221120210 has 16 divisors (see below), whose sum is σ = 509309330688576. Its totient is φ = 56589925632048.

The previous prime is 212212221120191. The next prime is 212212221120223. The reversal of 212212221120210 is 12021122212212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536870351974 + ... + 3536870352033.

It is an arithmetic number, because the mean of its divisors is an integer number (31831833168036).

Almost surely, 2^{212212221120210} is an apocalyptic number.

212212221120210 is an abundant number, since it is smaller than the sum of its proper divisors (297097109568366).

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

212212221120210 is a wasteful number, since it uses less digits than its factorization.

212212221120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073740704017.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212221120210 its reverse (12021122212212), we get a palindrome (224233343332422).

The spelling of 212212221120210 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, two hundred ten".