12299527237 has 2 divisors, whose sum is σ = 12299527238. Its totient is φ = 12299527236.

The previous prime is 12299527199. The next prime is 12299527249. The reversal of 12299527237 is 73272599221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10057883521 + 2241643716 = 100289^2 + 47346^2 .

It is an emirp because it is prime and its reverse (73272599221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12299527237 - 2¹⁹ = 12299002949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12299527267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6149763618 + 6149763619.

It is an arithmetic number, because the mean of its divisors is an integer number (6149763619).

Almost surely, 2^12299527237 is an apocalyptic number.

It is an amenable number.

12299527237 is a deficient number, since it is larger than the sum of its proper divisors (1).

12299527237 is an equidigital number, since it uses as much as digits as its factorization.

12299527237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The spelling of 12299527237 in words is "twelve billion, two hundred ninety-nine million, five hundred twenty-seven thousand, two hundred thirty-seven".