2022122111212 has 72 divisors (see below), whose sum is σ = 4166528937984. Its totient is φ = 856147265568.

The previous prime is 2022122111179. The next prime is 2022122111263. The reversal of 2022122111212 is 2121112212202.

It is a super-2 number, since 2×2022122111212² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2022122111212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5145813 + ... + 5524819.

It is an arithmetic number, because the mean of its divisors is an integer number (57868457472).

Almost surely, 2^{2022122111212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022122111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083264468992).

2022122111212 is an abundant number, since it is smaller than the sum of its proper divisors (2144406826772).

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

2022122111212 is a wasteful number, since it uses less digits than its factorization.

2022122111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379355 (or 379346 counting only the distinct ones).

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

Adding to 2022122111212 its reverse (2121112212202), we get a palindrome (4143234323414).

The spelling of 2022122111212 in words is "two trillion, twenty-two billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twelve".