212110200021210 has 32 divisors (see below), whose sum is σ = 509067323949312. Its totient is φ = 56562404016960.

The previous prime is 212110200021163. The next prime is 212110200021263. The reversal of 212110200021210 is 12120002011212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212110200021210.

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 15 ways as a sum of consecutive naturals, for example, 14264754 + ... + 25054013.

It is an arithmetic number, because the mean of its divisors is an integer number (15908353873416).

Almost surely, 2^{212110200021210} is an apocalyptic number.

212110200021210 is an abundant number, since it is smaller than the sum of its proper divisors (296957123928102).

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

212110200021210 is a wasteful number, since it uses less digits than its factorization.

212110200021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39498598.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212110200021210 its reverse (12120002011212), we get a palindrome (224230202032422).

The spelling of 212110200021210 in words is "two hundred twelve trillion, one hundred ten billion, two hundred million, twenty-one thousand, two hundred ten".