12303130312 has 32 divisors (see below), whose sum is σ = 25169951520. Its totient is φ = 5591341440.

The previous prime is 12303130303. The next prime is 12303130349. The reversal of 12303130312 is 21303130321.

It is a self number, because there is not a number n which added to its sum of digits gives 12303130312.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 758188 + ... + 774244.

It is an arithmetic number, because the mean of its divisors is an integer number (786560985).

Almost surely, 2^12303130312 is an apocalyptic number.

It is an amenable number.

12303130312 is an abundant number, since it is smaller than the sum of its proper divisors (12866821208).

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

12303130312 is a wasteful number, since it uses less digits than its factorization.

12303130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24781 (or 24777 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12303130312 its reverse (21303130321), we get a palindrome (33606260633).

Subtracting 12303130312 from its reverse (21303130321), we obtain a palindrome (9000000009).

The spelling of 12303130312 in words is "twelve billion, three hundred three million, one hundred thirty thousand, three hundred twelve".