12428536208 has 80 divisors (see below), whose sum is σ = 27233060544. Its totient is φ = 5444974080.

The previous prime is 12428536201. The next prime is 12428536217. The reversal of 12428536208 is 80263582421.

It is not an unprimeable number, because it can be changed into a prime (12428536201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687866 + ... + 705702.

Almost surely, 2^12428536208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12428536208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13616530272).

12428536208 is an abundant number, since it is smaller than the sum of its proper divisors (14804524336).

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

12428536208 is a wasteful number, since it uses less digits than its factorization.

12428536208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000 (or 17994 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 12428536208 in words is "twelve billion, four hundred twenty-eight million, five hundred thirty-six thousand, two hundred eight".