12321063531529 has 2 divisors, whose sum is σ = 12321063531530. Its totient is φ = 12321063531528.

The previous prime is 12321063531437. The next prime is 12321063531589. The reversal of 12321063531529 is 92513536012321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10129929390025 + 2191134141504 = 3182755^2 + 1480248^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321063531529 - 2⁷ = 12321063531401 is a prime.

It is not a weakly prime, because it can be changed into another prime (12321063531589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160531765764 + 6160531765765.

It is an arithmetic number, because the mean of its divisors is an integer number (6160531765765).

Almost surely, 2^{12321063531529} is an apocalyptic number.

It is an amenable number.

12321063531529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321063531529 is an equidigital number, since it uses as much as digits as its factorization.

12321063531529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 12321063531529 in words is "twelve trillion, three hundred twenty-one billion, sixty-three million, five hundred thirty-one thousand, five hundred twenty-nine".