12671329488 has 80 divisors (see below), whose sum is σ = 33314165376. Its totient is φ = 4149411840.

The previous prime is 12671329481. The next prime is 12671329529. The reversal of 12671329488 is 88492317621.

It is a happy number.

It is a Cunningham number, because it is equal to 112567²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 12671329488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671329481) 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, 893493 + ... + 907563.

Almost surely, 2^12671329488 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 12671329488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16657082688).

12671329488 is an abundant number, since it is smaller than the sum of its proper divisors (20642835888).

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

12671329488 is a wasteful number, since it uses less digits than its factorization.

12671329488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14412 (or 14406 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The spelling of 12671329488 in words is "twelve billion, six hundred seventy-one million, three hundred twenty-nine thousand, four hundred eighty-eight".