12022002221200 has 30 divisors (see below), whose sum is σ = 28882860337394. Its totient is φ = 4808800888320.

The previous prime is 12022002221189. The next prime is 12022002221239. The reversal of 12022002221200 is 212220022021.

It can be written as a sum of positive squares in 3 ways, for example, as 4010294615184 + 8011707606016 = 2002572^2 + 2830496^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15027502377 + ... + 15027503176.

Almost surely, 2^{12022002221200} is an apocalyptic number.

12022002221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022002221200 is an abundant number, since it is smaller than the sum of its proper divisors (16860858116194).

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

12022002221200 is a wasteful number, since it uses less digits than its factorization.

12022002221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30055005571 (or 30055005560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12022002221200 its reverse (212220022021), we get a palindrome (12234222243221).

The spelling of 12022002221200 in words is "twelve trillion, twenty-two billion, two million, two hundred twenty-one thousand, two hundred".