12315367193 has 2 divisors, whose sum is σ = 12315367194. Its totient is φ = 12315367192.

The previous prime is 12315367189. The next prime is 12315367201. The reversal of 12315367193 is 39176351321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7008536089 + 5306831104 = 83717^2 + 72848^2 .

It is an emirp because it is prime and its reverse (39176351321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12315367193 - 2² = 12315367189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12315367193.

It is not a weakly prime, because it can be changed into another prime (12315367793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157683596 + 6157683597.

It is an arithmetic number, because the mean of its divisors is an integer number (6157683597).

Almost surely, 2^12315367193 is an apocalyptic number.

It is an amenable number.

12315367193 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315367193 is an equidigital number, since it uses as much as digits as its factorization.

12315367193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The spelling of 12315367193 in words is "twelve billion, three hundred fifteen million, three hundred sixty-seven thousand, one hundred ninety-three".