12005243207 has 2 divisors, whose sum is σ = 12005243208. Its totient is φ = 12005243206.

The previous prime is 12005243191. The next prime is 12005243273. The reversal of 12005243207 is 70234250021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12005243207 - 2⁴ = 12005243191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12005243297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002621603 + 6002621604.

It is an arithmetic number, because the mean of its divisors is an integer number (6002621604).

Almost surely, 2^12005243207 is an apocalyptic number.

12005243207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005243207 is an equidigital number, since it uses as much as digits as its factorization.

12005243207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

Adding to 12005243207 its reverse (70234250021), we get a palindrome (82239493228).

The spelling of 12005243207 in words is "twelve billion, five million, two hundred forty-three thousand, two hundred seven".