12129324463499 has 2 divisors, whose sum is σ = 12129324463500. Its totient is φ = 12129324463498.

The previous prime is 12129324463489. The next prime is 12129324463507. The reversal of 12129324463499 is 99436442392121.

It is a strong prime.

It is an emirp because it is prime and its reverse (99436442392121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12129324463499 - 2²⁴ = 12129307686283 is a prime.

It is not a weakly prime, because it can be changed into another prime (12129324463469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6064662231749 + 6064662231750.

It is an arithmetic number, because the mean of its divisors is an integer number (6064662231750).

Almost surely, 2^{12129324463499} is an apocalyptic number.

12129324463499 is a deficient number, since it is larger than the sum of its proper divisors (1).

12129324463499 is an equidigital number, since it uses as much as digits as its factorization.

12129324463499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 59.

The spelling of 12129324463499 in words is "twelve trillion, one hundred twenty-nine billion, three hundred twenty-four million, four hundred sixty-three thousand, four hundred ninety-nine".