12543207307 has 2 divisors, whose sum is σ = 12543207308. Its totient is φ = 12543207306.

The previous prime is 12543207301. The next prime is 12543207323. The reversal of 12543207307 is 70370234521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12543207307 - 2⁷ = 12543207179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12543207301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271603653 + 6271603654.

It is an arithmetic number, because the mean of its divisors is an integer number (6271603654).

Almost surely, 2^12543207307 is an apocalyptic number.

12543207307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12543207307 is an equidigital number, since it uses as much as digits as its factorization.

12543207307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 12543207307 in words is "twelve billion, five hundred forty-three million, two hundred seven thousand, three hundred seven".