20212022100212 has 12 divisors (see below), whose sum is σ = 35374304473536. Its totient is φ = 10105077964920.

The previous prime is 20212022100209. The next prime is 20212022100217. The reversal of 20212022100212 is 21200122021202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212022100217) 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, 233222558 + ... + 233309205.

It is an arithmetic number, because the mean of its divisors is an integer number (2947858706128).

Almost surely, 2^{20212022100212} is an apocalyptic number.

It is an amenable number.

20212022100212 is a deficient number, since it is larger than the sum of its proper divisors (15162282373324).

20212022100212 is a wasteful number, since it uses less digits than its factorization.

20212022100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466542598 (or 466542596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20212022100212 its reverse (21200122021202), we get a palindrome (41412144121414).

The spelling of 20212022100212 in words is "twenty trillion, two hundred twelve billion, twenty-two million, one hundred thousand, two hundred twelve".