2222001220000 has 60 divisors (see below), whose sum is σ = 5466456350586. Its totient is φ = 888800480000.

The previous prime is 2222001219983. The next prime is 2222001220039. The reversal of 2222001220000 is 221002222.

It can be written as a sum of positive squares in 5 ways, for example, as 96132242704 + 2125868977296 = 310052^2 + 1458036^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55530031 + ... + 55570030.

Almost surely, 2^{2222001220000} is an apocalyptic number.

2222001220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222001220000 is an abundant number, since it is smaller than the sum of its proper divisors (3244455130586).

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

2222001220000 is an equidigital number, since it uses as much as digits as its factorization.

2222001220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111100091 (or 111100068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2222001220000 its reverse (221002222), we get a palindrome (2222222222222).

The spelling of 2222001220000 in words is "two trillion, two hundred twenty-two billion, one million, two hundred twenty thousand".