20220121112212 has 36 divisors (see below), whose sum is σ = 40622404611936. Its totient is φ = 8626905658800.

The previous prime is 20220121112203. The next prime is 20220121112227. The reversal of 20220121112212 is 21221112102202.

It is a self number, because there is not a number n which added to its sum of digits gives 20220121112212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5868414 + ... + 8653237.

Almost surely, 2^{20220121112212} is an apocalyptic number.

It is an amenable number.

20220121112212 is an abundant number, since it is smaller than the sum of its proper divisors (20402283499724).

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

20220121112212 is a wasteful number, since it uses less digits than its factorization.

20220121112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14522108 (or 14521883 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20220121112212 its reverse (21221112102202), we get a palindrome (41441233214414).

The spelling of 20220121112212 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twelve".