212112021200210 has 16 divisors (see below), whose sum is σ = 383104715429016. Its totient is φ = 84555235753728.

The previous prime is 212112021200201. The next prime is 212112021200231. The reversal of 212112021200210 is 12002120211212.

It can be written as a sum of positive squares in 4 ways, for example, as 160819453094521 + 51292568105689 = 12681461^2 + 7161883^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36196587719 + ... + 36196593578.

Almost surely, 2^{212112021200210} is an apocalyptic number.

212112021200210 is a deficient number, since it is larger than the sum of its proper divisors (170992694228806).

212112021200210 is a wasteful number, since it uses less digits than its factorization.

212112021200210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72393181597.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212112021200210 its reverse (12002120211212), we get a palindrome (224114141411422).

The spelling of 212112021200210 in words is "two hundred twelve trillion, one hundred twelve billion, twenty-one million, two hundred thousand, two hundred ten".