12303310032 has 60 divisors (see below), whose sum is σ = 37080815044. Its totient is φ = 3785633280.

The previous prime is 12303310021. The next prime is 12303310037. The reversal of 12303310032 is 23001330321.

It can be written as a sum of positive squares in 2 ways, for example, as 6941555856 + 5361754176 = 83316^2 + 73224^2 .

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 = 12303309987 and 12303310014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303310037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3284269 + ... + 3288012.

Almost surely, 2^12303310032 is an apocalyptic number.

12303310032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12303310032 is an abundant number, since it is smaller than the sum of its proper divisors (24777505012).

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

12303310032 is a wasteful number, since it uses less digits than its factorization.

12303310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572308 (or 6572299 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12303310032 its reverse (23001330321), we get a palindrome (35304640353).

The spelling of 12303310032 in words is "twelve billion, three hundred three million, three hundred ten thousand, thirty-two".