202020100212 has 288 divisors, whose sum is σ = 569100268800. Its totient is φ = 55746163200.

The previous prime is 202020100193. The next prime is 202020100229. The reversal of 202020100212 is 212001020202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 1167746158 + ... + 1167746330.

It is an arithmetic number, because the mean of its divisors is an integer number (1976042600).

Almost surely, 2^202020100212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202020100212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284550134400).

202020100212 is an abundant number, since it is smaller than the sum of its proper divisors (367080168588).

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

202020100212 is a wasteful number, since it uses less digits than its factorization.

202020100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202020100212 its reverse (212001020202), we get a palindrome (414021120414).

The spelling of 202020100212 in words is "two hundred two billion, twenty million, one hundred thousand, two hundred twelve".