12648338032 has 20 divisors (see below), whose sum is σ = 26733987576. Its totient is φ = 5749244480.

The previous prime is 12648337991. The next prime is 12648338033. The reversal of 12648338032 is 23083384621.

12648338032 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 not an unprimeable number, because it can be changed into a prime (12648338033) by changing a digit.

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, 35932603 + ... + 35932954.

Almost surely, 2^12648338032 is an apocalyptic number.

It is an amenable number.

12648338032 is an abundant number, since it is smaller than the sum of its proper divisors (14085649544).

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

12648338032 is a wasteful number, since it uses less digits than its factorization.

12648338032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71865576 (or 71865570 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 12648338032 in words is "twelve billion, six hundred forty-eight million, three hundred thirty-eight thousand, thirty-two".