12195097573 has 2 divisors, whose sum is σ = 12195097574. Its totient is φ = 12195097572.

The previous prime is 12195097553. The next prime is 12195097589. The reversal of 12195097573 is 37579059121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6330907489 + 5864190084 = 79567^2 + 76578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12195097573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12195097553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6097548786 + 6097548787.

It is an arithmetic number, because the mean of its divisors is an integer number (6097548787).

Almost surely, 2^12195097573 is an apocalyptic number.

It is an amenable number.

12195097573 is a deficient number, since it is larger than the sum of its proper divisors (1).

12195097573 is an equidigital number, since it uses as much as digits as its factorization.

12195097573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 595350, while the sum is 49.

The spelling of 12195097573 in words is "twelve billion, one hundred ninety-five million, ninety-seven thousand, five hundred seventy-three".