12360471521 has 2 divisors, whose sum is σ = 12360471522. Its totient is φ = 12360471520.

The previous prime is 12360471517. The next prime is 12360471551. The reversal of 12360471521 is 12517406321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11701830625 + 658640896 = 108175^2 + 25664^2 .

It is a cyclic number.

It is not a de Polignac number, because 12360471521 - 2² = 12360471517 is a prime.

It is not a weakly prime, because it can be changed into another prime (12360471551) 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 as a sum of consecutive naturals, namely, 6180235760 + 6180235761.

It is an arithmetic number, because the mean of its divisors is an integer number (6180235761).

Almost surely, 2^12360471521 is an apocalyptic number.

It is an amenable number.

12360471521 is a deficient number, since it is larger than the sum of its proper divisors (1).

12360471521 is an equidigital number, since it uses as much as digits as its factorization.

12360471521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 12360471521 its reverse (12517406321), we get a palindrome (24877877842).

The spelling of 12360471521 in words is "twelve billion, three hundred sixty million, four hundred seventy-one thousand, five hundred twenty-one".