12543703336960 has 96 divisors (see below), whose sum is σ = 30127750805880. Its totient is φ = 5012444676096.

The previous prime is 12543703336939. The next prime is 12543703337029. The reversal of 12543703336960 is 6963330734521.

It can be written as a sum of positive squares in 4 ways, for example, as 10640539616256 + 1903163720704 = 3261984^2 + 1379552^2 .

It is a super-3 number, since 3×12543703336960³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12543703336898 and 12543703336907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9594952 + ... + 10823608.

Almost surely, 2^{12543703336960} is an apocalyptic number.

12543703336960 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 12543703336960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15063875402940).

12543703336960 is an abundant number, since it is smaller than the sum of its proper divisors (17584047468920).

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

12543703336960 is an equidigital number, since it uses as much as digits as its factorization.

12543703336960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229681 (or 1229661 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 52.

The spelling of 12543703336960 in words is "twelve trillion, five hundred forty-three billion, seven hundred three million, three hundred thirty-six thousand, nine hundred sixty".