20212000222212 has 72 divisors (see below), whose sum is σ = 52703451143616. Its totient is φ = 6526365493824.

The previous prime is 20212000222189. The next prime is 20212000222217. The reversal of 20212000222212 is 21222200021202.

20212000222212 is a `hidden beast` number, since 20 + 212 + 0 + 0 + 0 + 222 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20212000222217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33120928 + ... + 33725655.

Almost surely, 2^{20212000222212} is an apocalyptic number.

It is an amenable number.

20212000222212 is an abundant number, since it is smaller than the sum of its proper divisors (32491450921404).

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

20212000222212 is a wasteful number, since it uses less digits than its factorization.

20212000222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66846857 (or 66846852 counting only the distinct ones).

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

Adding to 20212000222212 its reverse (21222200021202), we get a palindrome (41434200243414).

The spelling of 20212000222212 in words is "twenty trillion, two hundred twelve billion, two hundred twenty-two thousand, two hundred twelve".