12205007267 has 2 divisors, whose sum is σ = 12205007268. Its totient is φ = 12205007266.

The previous prime is 12205007263. The next prime is 12205007273. The reversal of 12205007267 is 76270050221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12205007267 - 2² = 12205007263 is a prime.

It is not a weakly prime, because it can be changed into another prime (12205007263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102503633 + 6102503634.

It is an arithmetic number, because the mean of its divisors is an integer number (6102503634).

Almost surely, 2^12205007267 is an apocalyptic number.

12205007267 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205007267 is an equidigital number, since it uses as much as digits as its factorization.

12205007267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 12205007267 its reverse (76270050221), we get a palindrome (88475057488).

The spelling of 12205007267 in words is "twelve billion, two hundred five million, seven thousand, two hundred sixty-seven".