12287246197 has 2 divisors, whose sum is σ = 12287246198. Its totient is φ = 12287246196.

The previous prime is 12287246117. The next prime is 12287246201. The reversal of 12287246197 is 79164278221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6264089316 + 6023156881 = 79146^2 + 77609^2 .

It is a cyclic number.

It is not a de Polignac number, because 12287246197 - 2²³ = 12278857589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12287246197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12287246117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143623098 + 6143623099.

It is an arithmetic number, because the mean of its divisors is an integer number (6143623099).

Almost surely, 2^12287246197 is an apocalyptic number.

It is an amenable number.

12287246197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287246197 is an equidigital number, since it uses as much as digits as its factorization.

12287246197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 49.

The spelling of 12287246197 in words is "twelve billion, two hundred eighty-seven million, two hundred forty-six thousand, one hundred ninety-seven".