12430640129 has 2 divisors, whose sum is σ = 12430640130. Its totient is φ = 12430640128.

The previous prime is 12430640071. The next prime is 12430640137. The reversal of 12430640129 is 92104603421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12182640625 + 247999504 = 110375^2 + 15748^2 .

It is a cyclic number.

It is not a de Polignac number, because 12430640129 - 2¹² = 12430636033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12430640095 and 12430640104.

It is not a weakly prime, because it can be changed into another prime (12430640429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215320064 + 6215320065.

It is an arithmetic number, because the mean of its divisors is an integer number (6215320065).

Almost surely, 2^12430640129 is an apocalyptic number.

It is an amenable number.

12430640129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430640129 is an equidigital number, since it uses as much as digits as its factorization.

12430640129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 12430640129 in words is "twelve billion, four hundred thirty million, six hundred forty thousand, one hundred twenty-nine".