320101231203120 has 160 divisors (see below), whose sum is σ = 1000655275838400. Its totient is φ = 84645486120960.

The previous prime is 320101231203097. The next prime is 320101231203179. The reversal of 320101231203120 is 21302132101023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4603522 + ... + 25717598.

It is an arithmetic number, because the mean of its divisors is an integer number (6254095473990).

Almost surely, 2^{320101231203120} is an apocalyptic number.

320101231203120 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 320101231203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500327637919200).

320101231203120 is an abundant number, since it is smaller than the sum of its proper divisors (680554044635280).

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

320101231203120 is a wasteful number, since it uses less digits than its factorization.

320101231203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21114623 (or 21114617 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 320101231203120 its reverse (21302132101023), we get a palindrome (341403363304143).

The spelling of 320101231203120 in words is "three hundred twenty trillion, one hundred one billion, two hundred thirty-one million, two hundred three thousand, one hundred twenty".