12325952521 has 2 divisors, whose sum is σ = 12325952522. Its totient is φ = 12325952520.

The previous prime is 12325952503. The next prime is 12325952531. The reversal of 12325952521 is 12525952321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6185036025 + 6140916496 = 78645^2 + 78364^2 .

It is a cyclic number.

It is not a de Polignac number, because 12325952521 - 2⁷ = 12325952393 is a prime.

It is not a weakly prime, because it can be changed into another prime (12325952531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6162976260 + 6162976261.

It is an arithmetic number, because the mean of its divisors is an integer number (6162976261).

Almost surely, 2^12325952521 is an apocalyptic number.

It is an amenable number.

12325952521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12325952521 is an equidigital number, since it uses as much as digits as its factorization.

12325952521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 37.

The spelling of 12325952521 in words is "twelve billion, three hundred twenty-five million, nine hundred fifty-two thousand, five hundred twenty-one".