212100202100202 has 48 divisors (see below), whose sum is σ = 459440679237408. Its totient is φ = 65247476374080.

The previous prime is 212100202100201. The next prime is 212100202100231. The reversal of 212100202100202 is 202001202001212.

It is not an unprimeable number, because it can be changed into a prime (212100202100201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17947048 + ... + 27318435.

It is an arithmetic number, because the mean of its divisors is an integer number (9571680817446).

Almost surely, 2^{212100202100202} is an apocalyptic number.

212100202100202 is an abundant number, since it is smaller than the sum of its proper divisors (247340477137206).

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

212100202100202 is a wasteful number, since it uses less digits than its factorization.

212100202100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45270135 (or 45270122 counting only the distinct ones).

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

Adding to 212100202100202 its reverse (202001202001212), we get a palindrome (414101404101414).

The spelling of 212100202100202 in words is "two hundred twelve trillion, one hundred billion, two hundred two million, one hundred thousand, two hundred two".