320120112120000 has 280 divisors, whose sum is σ = 1059288437031792. Its totient is φ = 85293043200000.

The previous prime is 320120112119989. The next prime is 320120112120059. The reversal of 320120112120000 is 21211021023.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 140590590 + ... + 142849410.

Almost surely, 2^{320120112120000} is an apocalyptic number.

320120112120000 is a gapful number since it is divisible by the number (30) 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 320120112120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529644218515896).

320120112120000 is an abundant number, since it is smaller than the sum of its proper divisors (739168324911792).

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

320120112120000 is a wasteful number, since it uses less digits than its factorization.

320120112120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260037 (or 2260012 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 320120112120000 its reverse (21211021023), we get a palindrome (320141323141023).

The spelling of 320120112120000 in words is "three hundred twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty thousand".