12320424429999 has 64 divisors (see below), whose sum is σ = 19476748075008. Its totient is φ = 6778999382400.

The previous prime is 12320424429979. The next prime is 12320424430019. The reversal of 12320424429999 is 99992442402321.

It is an interprime number because it is at equal distance from previous prime (12320424429979) and next prime (12320424430019).

It is not a de Polignac number, because 12320424429999 - 2⁷ = 12320424429871 is a prime.

It is a super-2 number, since 2×12320424429999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320424429949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 617152992 + ... + 617172954.

It is an arithmetic number, because the mean of its divisors is an integer number (304324188672).

Almost surely, 2^{12320424429999} is an apocalyptic number.

12320424429999 is a deficient number, since it is larger than the sum of its proper divisors (7156323645009).

12320424429999 is a wasteful number, since it uses less digits than its factorization.

12320424429999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24708.

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 12320424429999 in words is "twelve trillion, three hundred twenty billion, four hundred twenty-four million, four hundred twenty-nine thousand, nine hundred ninety-nine".