12428665446 has 16 divisors (see below), whose sum is σ = 25207435008. Its totient is φ = 4084537800.

The previous prime is 12428665409. The next prime is 12428665463. The reversal of 12428665446 is 64456682421.

12428665446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12428665395 and 12428665404.

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, 14587210 + ... + 14588061.

It is an arithmetic number, because the mean of its divisors is an integer number (1575464688).

Almost surely, 2^12428665446 is an apocalyptic number.

12428665446 is an abundant number, since it is smaller than the sum of its proper divisors (12778769562).

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

12428665446 is a wasteful number, since it uses less digits than its factorization.

12428665446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29175347.

The product of its digits is 2211840, while the sum is 48.

The spelling of 12428665446 in words is "twelve billion, four hundred twenty-eight million, six hundred sixty-five thousand, four hundred forty-six".