202102112212 has 192 divisors, whose sum is σ = 486794004480. Its totient is φ = 70880832000.

The previous prime is 202102112207. The next prime is 202102112221. The reversal of 202102112212 is 212211201202.

It is a happy number.

202102112212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27091339 + ... + 27098797.

It is an arithmetic number, because the mean of its divisors is an integer number (2535385440).

Almost surely, 2^202102112212 is an apocalyptic number.

202102112212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243397002240).

202102112212 is an abundant number, since it is smaller than the sum of its proper divisors (284691892268).

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

202102112212 is a wasteful number, since it uses less digits than its factorization.

202102112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662 (or 7660 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202102112212 its reverse (212211201202), we get a palindrome (414313313414).

The spelling of 202102112212 in words is "two hundred two billion, one hundred two million, one hundred twelve thousand, two hundred twelve".