12624660481 has 2 divisors, whose sum is σ = 12624660482. Its totient is φ = 12624660480.

The previous prime is 12624660439. The next prime is 12624660527. The reversal of 12624660481 is 18406642621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12624544881 + 115600 = 112359^2 + 340^2 .

It is an emirp because it is prime and its reverse (18406642621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12624660481 - 2⁷ = 12624660353 is a prime.

It is a super-2 number, since 2×12624660481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12624660781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6312330240 + 6312330241.

It is an arithmetic number, because the mean of its divisors is an integer number (6312330241).

Almost surely, 2^12624660481 is an apocalyptic number.

It is an amenable number.

12624660481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12624660481 is an equidigital number, since it uses as much as digits as its factorization.

12624660481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 12624660481 in words is "twelve billion, six hundred twenty-four million, six hundred sixty thousand, four hundred eighty-one".