212100200000210 has 32 divisors (see below), whose sum is σ = 383782672622592. Its totient is φ = 84395129656320.

The previous prime is 212100200000179. The next prime is 212100200000219. The reversal of 212100200000210 is 12000002001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212100200000191 and 212100200000200.

It is not an unprimeable number, because it can be changed into a prime (212100200000219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241966337 + ... + 242841323.

It is an arithmetic number, because the mean of its divisors is an integer number (11993208519456).

Almost surely, 2^{212100200000210} is an apocalyptic number.

212100200000210 is a deficient number, since it is larger than the sum of its proper divisors (171682472622382).

212100200000210 is a wasteful number, since it uses less digits than its factorization.

212100200000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002098.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212100200000210 its reverse (12000002001212), we get a palindrome (224100202001422).

The spelling of 212100200000210 in words is "two hundred twelve trillion, one hundred billion, two hundred million, two hundred ten", and thus it is an aban number.