12320111132320 has 48 divisors (see below), whose sum is σ = 29388847662720. Its totient is φ = 4880199354624.

The previous prime is 12320111132317. The next prime is 12320111132323. The reversal of 12320111132320 is 2323111102321.

It is an interprime number because it is at equal distance from previous prime (12320111132317) and next prime (12320111132323).

It is a junction number, because it is equal to n+sod(n) for n = 12320111132291 and 12320111132300.

It is not an unprimeable number, because it can be changed into a prime (12320111132323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373773300 + ... + 373806259.

It is an arithmetic number, because the mean of its divisors is an integer number (612267659640).

Almost surely, 2^{12320111132320} is an apocalyptic number.

12320111132320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320111132320 is an abundant number, since it is smaller than the sum of its proper divisors (17068736530400).

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

12320111132320 is a wasteful number, since it uses less digits than its factorization.

12320111132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747579677 (or 747579669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12320111132320 its reverse (2323111102321), we get a palindrome (14643222234641).

The spelling of 12320111132320 in words is "twelve trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, three hundred twenty".