120112001320 has 128 divisors (see below), whose sum is σ = 289400832000. Its totient is φ = 44733461760.

The previous prime is 120112001299. The next prime is 120112001323. The reversal of 120112001320 is 23100211021.

It is a super-2 number, since 2×120112001320² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120112001320.

It is not an unprimeable number, because it can be changed into a prime (120112001323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13384435 + ... + 13393405.

It is an arithmetic number, because the mean of its divisors is an integer number (2260944000).

Almost surely, 2^120112001320 is an apocalyptic number.

120112001320 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 120112001320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144700416000).

120112001320 is an abundant number, since it is smaller than the sum of its proper divisors (169288830680).

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

120112001320 is a wasteful number, since it uses less digits than its factorization.

120112001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303 (or 9299 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120112001320 its reverse (23100211021), we get a palindrome (143212212341).

The spelling of 120112001320 in words is "one hundred twenty billion, one hundred twelve million, one thousand, three hundred twenty".