12880920928 has 48 divisors (see below), whose sum is σ = 25704000000. Its totient is φ = 6353073792.

The previous prime is 12880920919. The next prime is 12880920931. The reversal of 12880920928 is 82902908821.

It is a happy number.

12880920928 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 7 ways as a sum of consecutive naturals, for example, 4293573 + ... + 4296571.

It is an arithmetic number, because the mean of its divisors is an integer number (535500000).

Almost surely, 2^12880920928 is an apocalyptic number.

It is an amenable number.

12880920928 is a deficient number, since it is larger than the sum of its proper divisors (12823079072).

12880920928 is a wasteful number, since it uses less digits than its factorization.

12880920928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787 (or 4779 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

It can be divided in two parts, 1288092092 and 8, that added together give a square (1288092100 = 35890²).

The spelling of 12880920928 in words is "twelve billion, eight hundred eighty million, nine hundred twenty thousand, nine hundred twenty-eight".