12002002022 has 24 divisors (see below), whose sum is σ = 18480681360. Its totient is φ = 5844720560.

The previous prime is 12002002009. The next prime is 12002002043. The reversal of 12002002022 is 22020020021.

It is a junction number, because it is equal to n+sod(n) for n = 12002001994 and 12002002012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972104 + ... + 984372.

It is an arithmetic number, because the mean of its divisors is an integer number (770028390).

Almost surely, 2^12002002022 is an apocalyptic number.

12002002022 is a deficient number, since it is larger than the sum of its proper divisors (6478679338).

12002002022 is an equidigital number, since it uses as much as digits as its factorization.

12002002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508 (or 12425 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12002002022 its reverse (22020020021), we get a palindrome (34022022043).

The spelling of 12002002022 in words is "twelve billion, two million, two thousand, twenty-two".