12329803309 has 4 divisors (see below), whose sum is σ = 12332097504. Its totient is φ = 12327509116.

The previous prime is 12329803289. The next prime is 12329803313. The reversal of 12329803309 is 90330892321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90330892321 = 577 ⋅156552673.

It is a cyclic number.

It is not a de Polignac number, because 12329803309 - 2¹¹ = 12329801261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12329803909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139017 + ... + 1149790.

It is an arithmetic number, because the mean of its divisors is an integer number (3083024376).

Almost surely, 2^12329803309 is an apocalyptic number.

It is an amenable number.

12329803309 is a deficient number, since it is larger than the sum of its proper divisors (2294195).

12329803309 is an equidigital number, since it uses as much as digits as its factorization.

12329803309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294194.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 12329803309 in words is "twelve billion, three hundred twenty-nine million, eight hundred three thousand, three hundred nine".