12002222002120 has 64 divisors (see below), whose sum is σ = 30885205766400. Its totient is φ = 4112067651840.

The previous prime is 12002222002097. The next prime is 12002222002187. The reversal of 12002222002120 is 2120022220021.

It is a junction number, because it is equal to n+sod(n) for n = 12002222002094 and 12002222002103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15132900 + ... + 15906259.

It is an arithmetic number, because the mean of its divisors is an integer number (482581340100).

Almost surely, 2^{12002222002120} is an apocalyptic number.

12002222002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002222002120 is an abundant number, since it is smaller than the sum of its proper divisors (18882983764280).

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

12002222002120 is a wasteful number, since it uses less digits than its factorization.

12002222002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31040558 (or 31040554 counting only the distinct ones).

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

Adding to 12002222002120 its reverse (2120022220021), we get a palindrome (14122244222141).

The spelling of 12002222002120 in words is "twelve trillion, two billion, two hundred twenty-two million, two thousand, one hundred twenty".