12682915840 has 104 divisors (see below), whose sum is σ = 34783572960. Its totient is φ = 4348379136.

The previous prime is 12682915811. The next prime is 12682915849. The reversal of 12682915840 is 4851928621.

12682915840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682915849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99126 + ... + 187594.

Almost surely, 2^12682915840 is an apocalyptic number.

12682915840 is a gapful number since it is divisible by the number (10) 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 12682915840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17391786480).

12682915840 is an abundant number, since it is smaller than the sum of its proper divisors (22100657120).

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

12682915840 is an frugal number, since it uses more digits than its factorization.

12682915840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88505 (or 88483 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 12682915840 in words is "twelve billion, six hundred eighty-two million, nine hundred fifteen thousand, eight hundred forty".