202012202100 has 72 divisors (see below), whose sum is σ = 584534184640. Its totient is φ = 53865722880.

The previous prime is 202012202009. The next prime is 202012202131. The reversal of 202012202100 is 1202210202.

202012202100 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6695649 + ... + 6725751.

Almost surely, 2^202012202100 is an apocalyptic number.

202012202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012202100 is an abundant number, since it is smaller than the sum of its proper divisors (382521982540).

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

202012202100 is a wasteful number, since it uses less digits than its factorization.

202012202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52489 (or 52482 counting only the distinct ones).

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

Adding to 202012202100 its reverse (1202210202), we get a palindrome (203214412302).

The spelling of 202012202100 in words is "two hundred two billion, twelve million, two hundred two thousand, one hundred".