12303322020 has 72 divisors (see below), whose sum is σ = 40712817600. Its totient is φ = 2982623040.

The previous prime is 12303321941. The next prime is 12303322021. The reversal of 12303322020 is 2022330321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12303321984 and 12303322002.

It is not an unprimeable number, because it can be changed into a prime (12303322021) 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 23 ways as a sum of consecutive naturals, for example, 3104920 + ... + 3108879.

It is an arithmetic number, because the mean of its divisors is an integer number (565455800).

Almost surely, 2^12303322020 is an apocalyptic number.

12303322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12303322020 is an abundant number, since it is smaller than the sum of its proper divisors (28409495580).

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

12303322020 is a wasteful number, since it uses less digits than its factorization.

12303322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213825 (or 6213820 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12303322020 its reverse (2022330321), we get a palindrome (14325652341).

The spelling of 12303322020 in words is "twelve billion, three hundred three million, three hundred twenty-two thousand, twenty".