200021020212 has 48 divisors (see below), whose sum is σ = 507064904640. Its totient is φ = 61000278528.

The previous prime is 200021020183. The next prime is 200021020237. The reversal of 200021020212 is 212020120002.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5655762 + ... + 5691017.

It is an arithmetic number, because the mean of its divisors is an integer number (10563852180).

Almost surely, 2^200021020212 is an apocalyptic number.

It is an amenable number.

200021020212 is an abundant number, since it is smaller than the sum of its proper divisors (307043884428).

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

200021020212 is a wasteful number, since it uses less digits than its factorization.

200021020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11346912 (or 11346910 counting only the distinct ones).

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

Adding to 200021020212 its reverse (212020120002), we get a palindrome (412041140214).

The spelling of 200021020212 in words is "two hundred billion, twenty-one million, twenty thousand, two hundred twelve".