12320131132320 has 384 divisors, whose sum is σ = 42438200555520. Its totient is φ = 2979531264000.

The previous prime is 12320131132247. The next prime is 12320131132339. The reversal of 12320131132320 is 2323113102321.

It is a super-2 number, since 2×12320131132320² (a number of 27 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 5547108810 + ... + 5547111030.

It is an arithmetic number, because the mean of its divisors is an integer number (110516147280).

Almost surely, 2^{12320131132320} is an apocalyptic number.

12320131132320 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 12320131132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21219100277760).

12320131132320 is an abundant number, since it is smaller than the sum of its proper divisors (30118069423200).

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

12320131132320 is a wasteful number, since it uses less digits than its factorization.

12320131132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300 (or 4292 counting only the distinct ones).

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

Adding to 12320131132320 its reverse (2323113102321), we get a palindrome (14643244234641).

The spelling of 12320131132320 in words is "twelve trillion, three hundred twenty billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred twenty".