12740232008 has 64 divisors (see below), whose sum is σ = 28062495360. Its totient is φ = 5309531136.

The previous prime is 12740232007. The next prime is 12740232031. The reversal of 12740232008 is 80023204721.

It is not an unprimeable number, because it can be changed into a prime (12740232007) 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, 316391 + ... + 354377.

It is an arithmetic number, because the mean of its divisors is an integer number (438476490).

Almost surely, 2^12740232008 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 12740232008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14031247680).

12740232008 is an abundant number, since it is smaller than the sum of its proper divisors (15322263352).

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

12740232008 is a wasteful number, since it uses less digits than its factorization.

12740232008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38166 (or 38162 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

Adding to 12740232008 its reverse (80023204721), we get a palindrome (92763436729).

The spelling of 12740232008 in words is "twelve billion, seven hundred forty million, two hundred thirty-two thousand, eight".