12520250541 has 8 divisors (see below), whose sum is σ = 18548519360. Its totient is φ = 8346833676.

The previous prime is 12520250503. The next prime is 12520250551. The reversal of 12520250541 is 14505202521.

It is not a de Polignac number, because 12520250541 - 2¹⁰ = 12520249517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 463712983 = 12520250541 / (1 + 2 + 5 + 2 + 0 + 2 + 5 + 0 + 5 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12520250551) by changing a digit.

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, 231856465 + ... + 231856518.

It is an arithmetic number, because the mean of its divisors is an integer number (2318564920).

Almost surely, 2^12520250541 is an apocalyptic number.

It is an amenable number.

12520250541 is a deficient number, since it is larger than the sum of its proper divisors (6028268819).

12520250541 is an equidigital number, since it uses as much as digits as its factorization.

12520250541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463712992 (or 463712986 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 12520250541 in words is "twelve billion, five hundred twenty million, two hundred fifty thousand, five hundred forty-one".