12258636928 has 16 divisors (see below), whose sum is σ = 24421503510. Its totient is φ = 6129318400.

The previous prime is 12258636889. The next prime is 12258636937. The reversal of 12258636928 is 82963685221.

12258636928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11425044544 + 833592384 = 106888^2 + 28872^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 47885173 + ... + 47885428.

Almost surely, 2^12258636928 is an apocalyptic number.

It is an amenable number.

12258636928 is a deficient number, since it is larger than the sum of its proper divisors (12162866582).

12258636928 is an frugal number, since it uses more digits than its factorization.

12258636928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95770615 (or 95770603 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 12258636928 in words is "twelve billion, two hundred fifty-eight million, six hundred thirty-six thousand, nine hundred twenty-eight".