12521552424003 has 48 divisors (see below), whose sum is σ = 21471861465600. Its totient is φ = 7143227035776.

The previous prime is 12521552423969. The next prime is 12521552424071. The reversal of 12521552424003 is 30042425512521.

12521552424003 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 1 + 5 + 5 + 242 + 400 + 3 = 666.

It is not a de Polignac number, because 12521552424003 - 2¹² = 12521552419907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12521552424103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5125750 + ... + 7163547.

It is an arithmetic number, because the mean of its divisors is an integer number (447330447200).

Almost surely, 2^{12521552424003} is an apocalyptic number.

12521552424003 is a deficient number, since it is larger than the sum of its proper divisors (8950309041597).

12521552424003 is an equidigital number, since it uses as much as digits as its factorization.

12521552424003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289918 (or 12289906 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 12521552424003 its reverse (30042425512521), we get a palindrome (42563977936524).

The spelling of 12521552424003 in words is "twelve trillion, five hundred twenty-one billion, five hundred fifty-two million, four hundred twenty-four thousand, three".