12547408043 has 12 divisors (see below), whose sum is σ = 13262841648. Its totient is φ = 11868809040.

The previous prime is 12547408039. The next prime is 12547408067. The reversal of 12547408043 is 34080474521.

12547408043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12547408043 - 2² = 12547408039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12547407988 and 12547408006.

It is not an unprimeable number, because it can be changed into a prime (12547408033) 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 11 ways as a sum of consecutive naturals, for example, 212330 + ... + 264912.

It is an arithmetic number, because the mean of its divisors is an integer number (1105236804).

Almost surely, 2^12547408043 is an apocalyptic number.

12547408043 is a deficient number, since it is larger than the sum of its proper divisors (715433605).

12547408043 is an equidigital number, since it uses as much as digits as its factorization.

12547408043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53282 (or 53263 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 12547408043 in words is "twelve billion, five hundred forty-seven million, four hundred eight thousand, forty-three".