12228011008 has 176 divisors, whose sum is σ = 26882841600. Its totient is φ = 5542871040.

The previous prime is 12228010987. The next prime is 12228011021. The reversal of 12228011008 is 80011082221.

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, 34061133 + ... + 34061491.

Almost surely, 2^12228011008 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 12228011008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13441420800).

12228011008 is an abundant number, since it is smaller than the sum of its proper divisors (14654830592).

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

12228011008 is a wasteful number, since it uses less digits than its factorization.

12228011008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

Adding to 12228011008 its reverse (80011082221), we get a palindrome (92239093229).

The spelling of 12228011008 in words is "twelve billion, two hundred twenty-eight million, eleven thousand, eight".