12008331808 has 96 divisors (see below), whose sum is σ = 26222071680. Its totient is φ = 5367490560.

The previous prime is 12008331737. The next prime is 12008331817. The reversal of 12008331808 is 80813380021.

It is a super-2 number, since 2×12008331808² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14312253 + ... + 14313091.

It is an arithmetic number, because the mean of its divisors is an integer number (273146580).

Almost surely, 2^12008331808 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 12008331808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13111035840).

12008331808 is an abundant number, since it is smaller than the sum of its proper divisors (14213739872).

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

12008331808 is a wasteful number, since it uses less digits than its factorization.

12008331808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 12008331808 in words is "twelve billion, eight million, three hundred thirty-one thousand, eight hundred eight".