12390572797 has 2 divisors, whose sum is σ = 12390572798. Its totient is φ = 12390572796.

The previous prime is 12390572759. The next prime is 12390572827. The reversal of 12390572797 is 79727509321.

12390572797 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., 12013475236 + 377097561 = 109606^2 + 19419^2 .

It is an emirp because it is prime and its reverse (79727509321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12390572797 - 2²³ = 12382184189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12390572737) 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, 6195286398 + 6195286399.

It is an arithmetic number, because the mean of its divisors is an integer number (6195286399).

Almost surely, 2^12390572797 is an apocalyptic number.

It is an amenable number.

12390572797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12390572797 is an equidigital number, since it uses as much as digits as its factorization.

12390572797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 52.

The spelling of 12390572797 in words is "twelve billion, three hundred ninety million, five hundred seventy-two thousand, seven hundred ninety-seven".