12226474008 has 192 divisors, whose sum is σ = 41210208000. Its totient is φ = 3195230976.

The previous prime is 12226473977. The next prime is 12226474049. The reversal of 12226474008 is 80047462221.

12226474008 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 647 + 4 + 0 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255691 + ... + 299717.

It is an arithmetic number, because the mean of its divisors is an integer number (214636500).

Almost surely, 2^12226474008 is an apocalyptic number.

12226474008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12226474008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20605104000).

12226474008 is an abundant number, since it is smaller than the sum of its proper divisors (28983733992).

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

12226474008 is a wasteful number, since it uses less digits than its factorization.

12226474008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44094 (or 44087 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 12226474008 in words is "twelve billion, two hundred twenty-six million, four hundred seventy-four thousand, eight".