12304431012 has 24 divisors (see below), whose sum is σ = 28712182912. Its totient is φ = 4101213600.

The previous prime is 12304430981. The next prime is 12304431019. The reversal of 12304431012 is 21013440321.

It is a self number, because there is not a number n which added to its sum of digits gives 12304431012.

It is not an unprimeable number, because it can be changed into a prime (12304431019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282837 + ... + 323427.

Almost surely, 2^12304431012 is an apocalyptic number.

12304431012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12304431012 is an abundant number, since it is smaller than the sum of its proper divisors (16407751900).

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

12304431012 is a wasteful number, since it uses less digits than its factorization.

12304431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65859 (or 65857 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12304431012 its reverse (21013440321), we get a palindrome (33317871333).

The spelling of 12304431012 in words is "twelve billion, three hundred four million, four hundred thirty-one thousand, twelve".