212120200022210 has 16 divisors (see below), whose sum is σ = 398417071346496. Its totient is φ = 81159033051888.

The previous prime is 212120200022201. The next prime is 212120200022317. The reversal of 212120200022210 is 12220002021212.

It is a happy number.

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, 461130869384 + ... + 461130869843.

It is an arithmetic number, because the mean of its divisors is an integer number (24901066959156).

Almost surely, 2^{212120200022210} is an apocalyptic number.

212120200022210 is a deficient number, since it is larger than the sum of its proper divisors (186296871324286).

212120200022210 is a wasteful number, since it uses less digits than its factorization.

212120200022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922261739257.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212120200022210 its reverse (12220002021212), we get a palindrome (224340202043422).

The spelling of 212120200022210 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred million, twenty-two thousand, two hundred ten".