12231201097 has 2 divisors, whose sum is σ = 12231201098. Its totient is φ = 12231201096.

The previous prime is 12231201079. The next prime is 12231201161. The reversal of 12231201097 is 79010213221.

Together with previous prime (12231201079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11445576256 + 785624841 = 106984^2 + 28029^2 .

It is an emirp because it is prime and its reverse (79010213221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12231201097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12231201007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115600548 + 6115600549.

It is an arithmetic number, because the mean of its divisors is an integer number (6115600549).

Almost surely, 2^12231201097 is an apocalyptic number.

It is an amenable number.

12231201097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231201097 is an equidigital number, since it uses as much as digits as its factorization.

12231201097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 12231201097 in words is "twelve billion, two hundred thirty-one million, two hundred one thousand, ninety-seven".