12891808482 has 64 divisors (see below), whose sum is σ = 29645789184. Its totient is φ = 3661096320.

The previous prime is 12891808379. The next prime is 12891808487. The reversal of 12891808482 is 28480819821.

It is not an unprimeable number, because it can be changed into a prime (12891808487) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5746453 + ... + 5748695.

It is an arithmetic number, because the mean of its divisors is an integer number (463215456).

Almost surely, 2^12891808482 is an apocalyptic number.

12891808482 is an abundant number, since it is smaller than the sum of its proper divisors (16753980702).

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

12891808482 is a wasteful number, since it uses less digits than its factorization.

12891808482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023.

The product of its (nonzero) digits is 589824, while the sum is 51.

The spelling of 12891808482 in words is "twelve billion, eight hundred ninety-one million, eight hundred eight thousand, four hundred eighty-two".