12824397228 has 48 divisors (see below), whose sum is σ = 30678682496. Its totient is φ = 4167313920.

The previous prime is 12824397203. The next prime is 12824397259. The reversal of 12824397228 is 82279342821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246108 + ... + 293628.

Almost surely, 2^12824397228 is an apocalyptic number.

It is an amenable number.

12824397228 is an abundant number, since it is smaller than the sum of its proper divisors (17854285268).

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

12824397228 is a wasteful number, since it uses less digits than its factorization.

12824397228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48094 (or 48092 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The spelling of 12824397228 in words is "twelve billion, eight hundred twenty-four million, three hundred ninety-seven thousand, two hundred twenty-eight".