20222212100212 has 24 divisors (see below), whose sum is σ = 36611909681760. Its totient is φ = 9761718526560.

The previous prime is 20222212100161. The next prime is 20222212100221. The reversal of 20222212100212 is 21200121222202.

It is a self number, because there is not a number n which added to its sum of digits gives 20222212100212.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4943818 + ... + 8055169.

It is an arithmetic number, because the mean of its divisors is an integer number (1525496236740).

Almost surely, 2^{20222212100212} is an apocalyptic number.

It is an amenable number.

20222212100212 is a deficient number, since it is larger than the sum of its proper divisors (16389697581548).

20222212100212 is a wasteful number, since it uses less digits than its factorization.

20222212100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13012431 (or 13012429 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20222212100212 its reverse (21200121222202), we get a palindrome (41422333322414).

The spelling of 20222212100212 in words is "twenty trillion, two hundred twenty-two billion, two hundred twelve million, one hundred thousand, two hundred twelve".