212100020210202 has 64 divisors (see below), whose sum is σ = 430418926586880. Its totient is φ = 69671770272000.

The previous prime is 212100020210171. The next prime is 212100020210249. The reversal of 212100020210202 is 202012020001212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153180499 + ... + 154558937.

It is an arithmetic number, because the mean of its divisors is an integer number (6725295727920).

Almost surely, 2^{212100020210202} is an apocalyptic number.

212100020210202 is an abundant number, since it is smaller than the sum of its proper divisors (218318906376678).

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

212100020210202 is a wasteful number, since it uses less digits than its factorization.

212100020210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379939.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212100020210202 its reverse (202012020001212), we get a palindrome (414112040211414).

The spelling of 212100020210202 in words is "two hundred twelve trillion, one hundred billion, twenty million, two hundred ten thousand, two hundred two".