12304440330 has 128 divisors (see below), whose sum is σ = 37518114816. Its totient is φ = 2512339200.

The previous prime is 12304440293. The next prime is 12304440347. The reversal of 12304440330 is 3304440321.

It is a self number, because there is not a number n which added to its sum of digits gives 12304440330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11935 + ... + 157325.

It is an arithmetic number, because the mean of its divisors is an integer number (293110272).

Almost surely, 2^12304440330 is an apocalyptic number.

12304440330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12304440330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18759057408).

12304440330 is an abundant number, since it is smaller than the sum of its proper divisors (25213674486).

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

12304440330 is a wasteful number, since it uses less digits than its factorization.

12304440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145452.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12304440330 its reverse (3304440321), we get a palindrome (15608880651).

Subtracting from 12304440330 its reverse (3304440321), we obtain a palindrome (9000000009).

The spelling of 12304440330 in words is "twelve billion, three hundred four million, four hundred forty thousand, three hundred thirty".