120321312130320 has 640 divisors, whose sum is σ = 463676692792320. Its totient is φ = 25181300981760.

The previous prime is 120321312130307. The next prime is 120321312130351. The reversal of 120321312130320 is 23031213123021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 413203336 + ... + 413494424.

It is an arithmetic number, because the mean of its divisors is an integer number (724494832488).

Almost surely, 2^{120321312130320} is an apocalyptic number.

120321312130320 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 120321312130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231838346396160).

120321312130320 is an abundant number, since it is smaller than the sum of its proper divisors (343355380662000).

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

120321312130320 is a wasteful number, since it uses less digits than its factorization.

120321312130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291523 (or 291517 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 120321312130320 its reverse (23031213123021), we get a palindrome (143352525253341).

The spelling of 120321312130320 in words is "one hundred twenty trillion, three hundred twenty-one billion, three hundred twelve million, one hundred thirty thousand, three hundred twenty".