12122220002022 has 60 divisors (see below), whose sum is σ = 29412921116700. Its totient is φ = 3729913838352.

The previous prime is 12122220001987. The next prime is 12122220002029. The reversal of 12122220002022 is 22020002222121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12122220001986 and 12122220002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122220002029) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 221358772 + ... + 221413527.

It is an arithmetic number, because the mean of its divisors is an integer number (490215351945).

Almost surely, 2^{12122220002022} is an apocalyptic number.

12122220002022 is an abundant number, since it is smaller than the sum of its proper divisors (17290701114678).

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

12122220002022 is a wasteful number, since it uses less digits than its factorization.

12122220002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442772339 (or 442772317 counting only the distinct ones).

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

Adding to 12122220002022 its reverse (22020002222121), we get a palindrome (34142222224143).

The spelling of 12122220002022 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, two thousand, twenty-two".