120222120 has 128 divisors (see below), whose sum is σ = 385804800. Its totient is φ = 29880576.

The previous prime is 120222119. The next prime is 120222133. The reversal of 120222120 is 21222021.

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 = 120222096 and 120222105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152367 + ... + 153153.

It is an arithmetic number, because the mean of its divisors is an integer number (3014100).

Almost surely, 2^120222120 is an apocalyptic number.

120222120 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 120222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192902400).

120222120 is an abundant number, since it is smaller than the sum of its proper divisors (265582680).

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

120222120 is a wasteful number, since it uses less digits than its factorization.

120222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 883 counting only the distinct ones).

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

The square root of 120222120 is about 10964.5848074608. The cubic root of 120222120 is about 493.5465578570.

Adding to 120222120 its reverse (21222021), we get a palindrome (141444141).

Subtracting from 120222120 its reverse (21222021), we obtain a palindrome (99000099).

The spelling of 120222120 in words is "one hundred twenty million, two hundred twenty-two thousand, one hundred twenty".