2002222312120 has 64 divisors (see below), whose sum is σ = 4654297405440. Its totient is φ = 774391363200.

The previous prime is 2002222312081. The next prime is 2002222312127. The reversal of 2002222312120 is 212132222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002222312127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762589 + ... + 2141491.

It is an arithmetic number, because the mean of its divisors is an integer number (72723396960).

Almost surely, 2^{2002222312120} is an apocalyptic number.

2002222312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002222312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2327148702720).

2002222312120 is an abundant number, since it is smaller than the sum of its proper divisors (2652075093320).

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

2002222312120 is a wasteful number, since it uses less digits than its factorization.

2002222312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380116 (or 1380112 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2002222312120 its reverse (212132222002), we get a palindrome (2214354534122).

The spelling of 2002222312120 in words is "two trillion, two billion, two hundred twenty-two million, three hundred twelve thousand, one hundred twenty".