12403104312 has 16 divisors (see below), whose sum is σ = 31007760840. Its totient is φ = 4134368096.

The previous prime is 12403104293. The next prime is 12403104377. The reversal of 12403104312 is 21340130421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258397983 + ... + 258398030.

Almost surely, 2^12403104312 is an apocalyptic number.

12403104312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12403104312 is an abundant number, since it is smaller than the sum of its proper divisors (18604656528).

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

12403104312 is a wasteful number, since it uses less digits than its factorization.

12403104312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516796022 (or 516796018 counting only the distinct ones).

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

Adding to 12403104312 its reverse (21340130421), we get a palindrome (33743234733).

The spelling of 12403104312 in words is "twelve billion, four hundred three million, one hundred four thousand, three hundred twelve".