212100200222210 has 16 divisors (see below), whose sum is σ = 381781412235000. Its totient is φ = 84839846347776.

The previous prime is 212100200222189. The next prime is 212100200222237. The reversal of 212100200222210 is 12222002001212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 125436035231329 + 86664164990881 = 11199823^2 + 9309359^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25382525 + ... + 32687504.

Almost surely, 2^{212100200222210} is an apocalyptic number.

212100200222210 is a deficient number, since it is larger than the sum of its proper divisors (169681212012790).

212100200222210 is a wasteful number, since it uses less digits than its factorization.

212100200222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58435285.

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

Adding to 212100200222210 its reverse (12222002001212), we get a palindrome (224322202223422).

The spelling of 212100200222210 in words is "two hundred twelve trillion, one hundred billion, two hundred million, two hundred twenty-two thousand, two hundred ten".