120222220111200 has 432 divisors, whose sum is σ = 427163742270720. Its totient is φ = 31815608232960.

The previous prime is 120222220111163. The next prime is 120222220111219. The reversal of 120222220111200 is 2111022222021.

It is a happy number.

120222220111200 is a `hidden beast` number, since 1 + 20 + 222 + 220 + 1 + 1 + 1 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 744204837 + ... + 744366363.

It is an arithmetic number, because the mean of its divisors is an integer number (988804958960).

Almost surely, 2^{120222220111200} is an apocalyptic number.

120222220111200 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 120222220111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213581871135360).

120222220111200 is an abundant number, since it is smaller than the sum of its proper divisors (306941522159520).

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

120222220111200 is a wasteful number, since it uses less digits than its factorization.

120222220111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162339 (or 162323 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120222220111200 its reverse (2111022222021), we get a palindrome (122333242333221).

The spelling of 120222220111200 in words is "one hundred twenty trillion, two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, two hundred".