12103320320 has 216 divisors, whose sum is σ = 35882060256. Its totient is φ = 3830022144.

The previous prime is 12103320287. The next prime is 12103320329. The reversal of 12103320320 is 2302330121.

It is not an unprimeable number, because it can be changed into a prime (12103320329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1510244 + ... + 1518236.

Almost surely, 2^12103320320 is an apocalyptic number.

12103320320 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 12103320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17941030128).

12103320320 is an abundant number, since it is smaller than the sum of its proper divisors (23778739936).

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

12103320320 is an equidigital number, since it uses as much as digits as its factorization.

12103320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047 (or 8020 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12103320320 its reverse (2302330121), we get a palindrome (14405650441).

The spelling of 12103320320 in words is "twelve billion, one hundred three million, three hundred twenty thousand, three hundred twenty".