12429497243 has 2 divisors, whose sum is σ = 12429497244. Its totient is φ = 12429497242.

The previous prime is 12429497221. The next prime is 12429497291. The reversal of 12429497243 is 34279492421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12429497243 - 2¹⁴ = 12429480859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12429497203) 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, 6214748621 + 6214748622.

It is an arithmetic number, because the mean of its divisors is an integer number (6214748622).

Almost surely, 2^12429497243 is an apocalyptic number.

12429497243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12429497243 is an equidigital number, since it uses as much as digits as its factorization.

12429497243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The spelling of 12429497243 in words is "twelve billion, four hundred twenty-nine million, four hundred ninety-seven thousand, two hundred forty-three".