20222122200012 has 18 divisors (see below), whose sum is σ = 51117031116788. Its totient is φ = 6740707399992.

The previous prime is 20222122199953. The next prime is 20222122200043. The reversal of 20222122200012 is 21000222122202.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280862808298 + ... + 280862808369.

Almost surely, 2^{20222122200012} is an apocalyptic number.

It is an amenable number.

20222122200012 is an abundant number, since it is smaller than the sum of its proper divisors (30894908916776).

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

20222122200012 is a wasteful number, since it uses less digits than its factorization.

20222122200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561725616677 (or 561725616672 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20222122200012 its reverse (21000222122202), we get a palindrome (41222344322214).

It can be divided in two parts, 2022212 and 2200012, that added together give a palindrome (4222224).

The spelling of 20222122200012 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred thousand, twelve".