13112321032320 has 128 divisors (see below), whose sum is σ = 42384193073280. Its totient is φ = 3447370752000.

The previous prime is 13112321032309. The next prime is 13112321032333. The reversal of 13112321032320 is 2323012321131.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 47957581 + ... + 48230220.

It is an arithmetic number, because the mean of its divisors is an integer number (331126508385).

Almost surely, 2^{13112321032320} is an apocalyptic number.

13112321032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112321032320 is an abundant number, since it is smaller than the sum of its proper divisors (29271872040960).

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

13112321032320 is an equidigital number, since it uses as much as digits as its factorization.

13112321032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96187894 (or 96187882 counting only the distinct ones).

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

Adding to 13112321032320 its reverse (2323012321131), we get a palindrome (15435333353451).

The spelling of 13112321032320 in words is "thirteen trillion, one hundred twelve billion, three hundred twenty-one million, thirty-two thousand, three hundred twenty".