12504534240000 has 1440 divisors, whose sum is σ = 47501662602240. Its totient is φ = 2892185600000.

The previous prime is 12504534239987. The next prime is 12504534240049. The reversal of 12504534240000 is 4243540521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 12504534240000.

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 159 ways as a sum of consecutive naturals, for example, 10174559386 + ... + 10174560614.

It is an arithmetic number, because the mean of its divisors is an integer number (32987265696).

Almost surely, 2^{12504534240000} is an apocalyptic number.

12504534240000 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 12504534240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23750831301120).

12504534240000 is an abundant number, since it is smaller than the sum of its proper divisors (34997128362240).

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

12504534240000 is a wasteful number, since it uses less digits than its factorization.

12504534240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12504534240000 its reverse (4243540521), we get a palindrome (12508777780521).

The spelling of 12504534240000 in words is "twelve trillion, five hundred four billion, five hundred thirty-four million, two hundred forty thousand".