20222022100212 has 18 divisors (see below), whose sum is σ = 51116778086738. Its totient is φ = 6740674033392.

The previous prime is 20222022100193. The next prime is 20222022100271. The reversal of 20222022100212 is 21200122022202.

20222022100212 is a `hidden beast` number, since 20 + 2 + 220 + 2 + 210 + 0 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16088794855056 + 4133227245156 = 4011084^2 + 2033034^2 .

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

It is a super-3 number, since 3×20222022100212³ (a number of 41 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 280861418023 + ... + 280861418094.

Almost surely, 2^{20222022100212} is an apocalyptic number.

It is an amenable number.

20222022100212 is an abundant number, since it is smaller than the sum of its proper divisors (30894755986526).

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

20222022100212 is a wasteful number, since it uses less digits than its factorization.

20222022100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561722836127 (or 561722836122 counting only the distinct ones).

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

Adding to 20222022100212 its reverse (21200122022202), we get a palindrome (41422144122414).

The spelling of 20222022100212 in words is "twenty trillion, two hundred twenty-two billion, twenty-two million, one hundred thousand, two hundred twelve".