12543187480 has 16 divisors (see below), whose sum is σ = 28222171920. Its totient is φ = 5017274976.

The previous prime is 12543187439. The next prime is 12543187487. The reversal of 12543187480 is 8478134521.

12543187480 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 (12543187487) 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 3 ways as a sum of consecutive naturals, for example, 156789804 + ... + 156789883.

It is an arithmetic number, because the mean of its divisors is an integer number (1763885745).

Almost surely, 2^12543187480 is an apocalyptic number.

12543187480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12543187480 is an abundant number, since it is smaller than the sum of its proper divisors (15678984440).

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

12543187480 is a wasteful number, since it uses less digits than its factorization.

12543187480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313579698 (or 313579694 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 12543187480 in words is "twelve billion, five hundred forty-three million, one hundred eighty-seven thousand, four hundred eighty".