13323121120320 has 112 divisors (see below), whose sum is σ = 46146446826048. Its totient is φ = 3229847541760.

The previous prime is 13323121120291. The next prime is 13323121120321. The reversal of 13323121120320 is 2302112132331.

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

It is not an unprimeable number, because it can be changed into a prime (13323121120321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630819039 + ... + 630840158.

Almost surely, 2^{13323121120320} is an apocalyptic number.

13323121120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323121120320 is an abundant number, since it is smaller than the sum of its proper divisors (32823325705728).

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

13323121120320 is a wasteful number, since it uses less digits than its factorization.

13323121120320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261659228 (or 1261659218 counting only the distinct ones).

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

Adding to 13323121120320 its reverse (2302112132331), we get a palindrome (15625233252651).

The spelling of 13323121120320 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, one hundred twenty thousand, three hundred twenty".