12543242600 has 192 divisors, whose sum is σ = 35387020800. Its totient is φ = 4036423680.

The previous prime is 12543242567. The next prime is 12543242639. The reversal of 12543242600 is 624234521.

12543242600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 17111834 + ... + 17112566.

It is an arithmetic number, because the mean of its divisors is an integer number (184307400).

Almost surely, 2^12543242600 is an apocalyptic number.

12543242600 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 12543242600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17693510400).

12543242600 is an abundant number, since it is smaller than the sum of its proper divisors (22843778200).

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

12543242600 is a wasteful number, since it uses less digits than its factorization.

12543242600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 12543242600 in words is "twelve billion, five hundred forty-three million, two hundred forty-two thousand, six hundred".