12321101013320 has 96 divisors (see below), whose sum is σ = 30527998562880. Its totient is φ = 4438525653120.

The previous prime is 12321101013259. The next prime is 12321101013337. The reversal of 12321101013320 is 2331010112321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12321101013292 and 12321101013301.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3814637 + ... + 6260483.

It is an arithmetic number, because the mean of its divisors is an integer number (317999985030).

Almost surely, 2^{12321101013320} is an apocalyptic number.

12321101013320 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 12321101013320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15263999281440).

12321101013320 is an abundant number, since it is smaller than the sum of its proper divisors (18206897549560).

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

12321101013320 is a wasteful number, since it uses less digits than its factorization.

12321101013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446083 (or 2445972 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12321101013320 its reverse (2331010112321), we get a palindrome (14652111125641).

Subtracting from 12321101013320 its reverse (2331010112321), we obtain a palindrome (9990090900999).

The spelling of 12321101013320 in words is "twelve trillion, three hundred twenty-one billion, one hundred one million, thirteen thousand, three hundred twenty".