202021212000 has 96 divisors (see below), whose sum is σ = 661821529824. Its totient is φ = 53872320000.

The previous prime is 202021211989. The next prime is 202021212007. The reversal of 202021212000 is 212120202.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021212007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8405551 + ... + 8429550.

It is an arithmetic number, because the mean of its divisors is an integer number (6893974269).

Almost surely, 2^202021212000 is an apocalyptic number.

202021212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202021212000 is an abundant number, since it is smaller than the sum of its proper divisors (459800317824).

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

202021212000 is a wasteful number, since it uses less digits than its factorization.

202021212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835129 (or 16835111 counting only the distinct ones).

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

Adding to 202021212000 its reverse (212120202), we get a palindrome (202233332202).

The spelling of 202021212000 in words is "two hundred two billion, twenty-one million, two hundred twelve thousand".