120012200220 has 96 divisors (see below), whose sum is σ = 368702046720. Its totient is φ = 28925666560.

The previous prime is 120012200219. The next prime is 120012200263. The reversal of 120012200220 is 22002210021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120012200196 and 120012200205.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 411360 + ... + 639719.

It is an arithmetic number, because the mean of its divisors is an integer number (3840646320).

Almost surely, 2^120012200220 is an apocalyptic number.

120012200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120012200220 is an abundant number, since it is smaller than the sum of its proper divisors (248689846500).

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

120012200220 is a wasteful number, since it uses less digits than its factorization.

120012200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051275 (or 1051273 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120012200220 its reverse (22002210021), we get a palindrome (142014410241).

The spelling of 120012200220 in words is "one hundred twenty billion, twelve million, two hundred thousand, two hundred twenty".