202001212122 has 32 divisors (see below), whose sum is σ = 411070161600. Its totient is φ = 66157004928.

The previous prime is 202001212051. The next prime is 202001212129. The reversal of 202001212122 is 221212100202.

202001212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (202001212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512454 + ... + 816462.

It is an arithmetic number, because the mean of its divisors is an integer number (12845942550).

Almost surely, 2^202001212122 is an apocalyptic number.

202001212122 is an abundant number, since it is smaller than the sum of its proper divisors (209068949478).

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

202001212122 is a wasteful number, since it uses less digits than its factorization.

202001212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305950.

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

Adding to 202001212122 its reverse (221212100202), we get a palindrome (423213312324).

The spelling of 202001212122 in words is "two hundred two billion, one million, two hundred twelve thousand, one hundred twenty-two".