12522048521 has 2 divisors, whose sum is σ = 12522048522. Its totient is φ = 12522048520.

The previous prime is 12522048509. The next prime is 12522048527. The reversal of 12522048521 is 12584022521.

12522048521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9562688521 + 2959360000 = 97789^2 + 54400^2 .

It is a cyclic number.

It is not a de Polignac number, because 12522048521 - 2¹⁸ = 12521786377 is a prime.

It is not a weakly prime, because it can be changed into another prime (12522048527) by changing a digit.

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 as a sum of consecutive naturals, namely, 6261024260 + 6261024261.

It is an arithmetic number, because the mean of its divisors is an integer number (6261024261).

Almost surely, 2^12522048521 is an apocalyptic number.

It is an amenable number.

12522048521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12522048521 is an equidigital number, since it uses as much as digits as its factorization.

12522048521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 12522048521 in words is "twelve billion, five hundred twenty-two million, forty-eight thousand, five hundred twenty-one".