20022021212112 has 60 divisors (see below), whose sum is σ = 56299414391584. Its totient is φ = 6642376695360.

The previous prime is 20022021212047. The next prime is 20022021212159. The reversal of 20022021212112 is 21121212022002.

It is a happy number.

20022021212112 is a `hidden beast` number, since 20 + 0 + 220 + 212 + 1 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329452588 + ... + 329513355.

Almost surely, 2^{20022021212112} is an apocalyptic number.

It is an amenable number.

20022021212112 is an abundant number, since it is smaller than the sum of its proper divisors (36277393179472).

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

20022021212112 is a wasteful number, since it uses less digits than its factorization.

20022021212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658966168 (or 658966159 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022021212112 its reverse (21121212022002), we get a palindrome (41143233234114).

The spelling of 20022021212112 in words is "twenty trillion, twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred twelve".