22122021232212 has 48 divisors (see below), whose sum is σ = 56452439934912. Its totient is φ = 6686757031680.

The previous prime is 22122021232189. The next prime is 22122021232243. The reversal of 22122021232212 is 21223212022122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211019473 + ... + 211124280.

It is an arithmetic number, because the mean of its divisors is an integer number (1176092498644).

Almost surely, 2^{22122021232212} is an apocalyptic number.

22122021232212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22122021232212 is an abundant number, since it is smaller than the sum of its proper divisors (34330418702700).

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

22122021232212 is a wasteful number, since it uses less digits than its factorization.

22122021232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422144168 (or 422144166 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22122021232212 its reverse (21223212022122), we get a palindrome (43345233254334).

The spelling of 22122021232212 in words is "twenty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred thirty-two thousand, two hundred twelve".