12509046328 has 16 divisors (see below), whose sum is σ = 23804529480. Its totient is φ = 6161171808.

The previous prime is 12509046307. The next prime is 12509046343. The reversal of 12509046328 is 82364090521.

12509046328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11668351 + ... + 11669422.

Almost surely, 2^12509046328 is an apocalyptic number.

It is an amenable number.

12509046328 is a deficient number, since it is larger than the sum of its proper divisors (11295483152).

12509046328 is a wasteful number, since it uses less digits than its factorization.

12509046328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23337846 (or 23337842 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12509046328 in words is "twelve billion, five hundred nine million, forty-six thousand, three hundred twenty-eight".