120111200 has 72 divisors (see below), whose sum is σ = 319901400. Its totient is φ = 43673600.

The previous prime is 120111191. The next prime is 120111223. The reversal of 120111200 is 2111021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1976 + ... + 15624.

It is an arithmetic number, because the mean of its divisors is an integer number (4443075).

Almost surely, 2^120111200 is an apocalyptic number.

120111200 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 120111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159950700).

120111200 is an abundant number, since it is smaller than the sum of its proper divisors (199790200).

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

120111200 is a wasteful number, since it uses less digits than its factorization.

120111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680 (or 13667 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120111200 is about 10959.5255371754. The cubic root of 120111200 is about 493.3947249304.

Adding to 120111200 its reverse (2111021), we get a palindrome (122222221).

The spelling of 120111200 in words is "one hundred twenty million, one hundred eleven thousand, two hundred".