1230304512 has 108 divisors (see below), whose sum is σ = 3328400544. Its totient is φ = 403430400.

The previous prime is 1230304487. The next prime is 1230304513. The reversal of 1230304512 is 2154030321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230304513) 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, 8147637 + ... + 8147787.

Almost surely, 2^1230304512 is an apocalyptic number.

1230304512 is a gapful number since it is divisible by the number (12) 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 1230304512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664200272).

1230304512 is an abundant number, since it is smaller than the sum of its proper divisors (2098096032).

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

1230304512 is an equidigital number, since it uses as much as digits as its factorization.

1230304512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1230304512 is about 35075.6968854505. The cubic root of 1230304512 is about 1071.5296815615.

Adding to 1230304512 its reverse (2154030321), we get a palindrome (3384334833).

The spelling of 1230304512 in words is "one billion, two hundred thirty million, three hundred four thousand, five hundred twelve".