12000222122022 has 128 divisors (see below), whose sum is σ = 28285302021120. Its totient is φ = 3763262004480.

The previous prime is 12000222122017. The next prime is 12000222122027. The reversal of 12000222122022 is 22022122200021.

12000222122022 is a `hidden beast` number, since 1 + 200 + 0 + 2 + 221 + 220 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (12000222122017) and next prime (12000222122027).

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 = 12000222121986 and 12000222122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000222122027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54228322 + ... + 54449162.

It is an arithmetic number, because the mean of its divisors is an integer number (220978922040).

Almost surely, 2^{12000222122022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000222122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14142651010560).

12000222122022 is an abundant number, since it is smaller than the sum of its proper divisors (16285079899098).

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

12000222122022 is a wasteful number, since it uses less digits than its factorization.

12000222122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221595 (or 221589 counting only the distinct ones).

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

Adding to 12000222122022 its reverse (22022122200021), we get a palindrome (34022344322043).

The spelling of 12000222122022 in words is "twelve trillion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-two".