12303122320 has 80 divisors (see below), whose sum is σ = 29258984448. Its totient is φ = 4809024000.

The previous prime is 12303122317. The next prime is 12303122327. The reversal of 12303122320 is 2322130321.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (12303122327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821582 + ... + 2825938.

Almost surely, 2^12303122320 is an apocalyptic number.

12303122320 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 12303122320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14629492224).

12303122320 is an abundant number, since it is smaller than the sum of its proper divisors (16955862128).

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

12303122320 is a wasteful number, since it uses less digits than its factorization.

12303122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5168 (or 5162 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12303122320 its reverse (2322130321), we get a palindrome (14625252641).

The spelling of 12303122320 in words is "twelve billion, three hundred three million, one hundred twenty-two thousand, three hundred twenty".