2002221120012 has 72 divisors (see below), whose sum is σ = 4976759745216. Its totient is φ = 626371046496.

The previous prime is 2002221119923. The next prime is 2002221120041. The reversal of 2002221120012 is 2100211222002.

It is a junction number, because it is equal to n+sod(n) for n = 2002221119973 and 2002221120000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1696258 + ... + 2623305.

It is an arithmetic number, because the mean of its divisors is an integer number (69121663128).

Almost surely, 2^{2002221120012} is an apocalyptic number.

It is an amenable number.

2002221120012 is an abundant number, since it is smaller than the sum of its proper divisors (2974538625204).

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

2002221120012 is a wasteful number, since it uses less digits than its factorization.

2002221120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319715 (or 4319694 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002221120012 its reverse (2100211222002), we get a palindrome (4102432342014).

The spelling of 2002221120012 in words is "two trillion, two billion, two hundred twenty-one million, one hundred twenty thousand, twelve".