12136452247 has 2 divisors, whose sum is σ = 12136452248. Its totient is φ = 12136452246.

The previous prime is 12136452233. The next prime is 12136452253. The reversal of 12136452247 is 74225463121.

12136452247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12136452247 - 2¹¹ = 12136450199 is a prime.

It is a super-2 number, since 2×12136452247² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12136452257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068226123 + 6068226124.

It is an arithmetic number, because the mean of its divisors is an integer number (6068226124).

Almost surely, 2^12136452247 is an apocalyptic number.

12136452247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12136452247 is an equidigital number, since it uses as much as digits as its factorization.

12136452247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The spelling of 12136452247 in words is "twelve billion, one hundred thirty-six million, four hundred fifty-two thousand, two hundred forty-seven".