12429608817 has 8 divisors (see below), whose sum is σ = 16656938496. Its totient is φ = 8244342512.

The previous prime is 12429608797. The next prime is 12429608827. The reversal of 12429608817 is 71880692421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12429608817 - 2⁶ = 12429608753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12429608827) 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 in 7 ways as a sum of consecutive naturals, for example, 10515153 + ... + 10516334.

It is an arithmetic number, because the mean of its divisors is an integer number (2082117312).

Almost surely, 2^12429608817 is an apocalyptic number.

It is an amenable number.

12429608817 is a deficient number, since it is larger than the sum of its proper divisors (4227329679).

12429608817 is a wasteful number, since it uses less digits than its factorization.

12429608817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21031687.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 12429608817 in words is "twelve billion, four hundred twenty-nine million, six hundred eight thousand, eight hundred seventeen".