120222111112120 has 128 divisors (see below), whose sum is σ = 280619631452160. Its totient is φ = 46305707374080.

The previous prime is 120222111112111. The next prime is 120222111112139. The reversal of 120222111112120 is 21211111222021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249469237 + ... + 249950683.

It is an arithmetic number, because the mean of its divisors is an integer number (2192340870720).

Almost surely, 2^{120222111112120} is an apocalyptic number.

120222111112120 is a gapful number since it is divisible by the number (10) 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 120222111112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140309815726080).

120222111112120 is an abundant number, since it is smaller than the sum of its proper divisors (160397520340040).

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

120222111112120 is a wasteful number, since it uses less digits than its factorization.

120222111112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482493 (or 482489 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120222111112120 its reverse (21211111222021), we get a palindrome (141433222334141).

The spelling of 120222111112120 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, one hundred twenty".