2021200022212 has 12 divisors (see below), whose sum is σ = 4042400044480. Its totient is φ = 866228580936.

The previous prime is 2021200022183. The next prime is 2021200022213. The reversal of 2021200022212 is 2122200021202.

2021200022212 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2021200022213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36092857512 + ... + 36092857567.

Almost surely, 2^{2021200022212} is an apocalyptic number.

It is an amenable number.

2021200022212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2021200022212 is a wasteful number, since it uses less digits than its factorization.

2021200022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72185715090 (or 72185715088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2021200022212 its reverse (2122200021202), we get a palindrome (4143400043414).

The spelling of 2021200022212 in words is "two trillion, twenty-one billion, two hundred million, twenty-two thousand, two hundred twelve".