12012222122022 has 16 divisors (see below), whose sum is σ = 24025638721392. Its totient is φ = 4003874961120.

The previous prime is 12012222121979. The next prime is 12012222122119. The reversal of 12012222122022 is 22022122221021.

It is a self number, because there is not a number n which added to its sum of digits gives 12012222122022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49639129 + ... + 49880532.

It is an arithmetic number, because the mean of its divisors is an integer number (1501602420087).

Almost surely, 2^{12012222122022} is an apocalyptic number.

12012222122022 is an abundant number, since it is smaller than the sum of its proper divisors (12013416599370).

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

12012222122022 is a wasteful number, since it uses less digits than its factorization.

12012222122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99539783.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12012222122022 its reverse (22022122221021), we get a palindrome (34034344343043).

The spelling of 12012222122022 in words is "twelve trillion, twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, twenty-two".