12328280945 has 8 divisors (see below), whose sum is σ = 15437151936. Its totient is φ = 9433814896.

The previous prime is 12328280917. The next prime is 12328280957. The reversal of 12328280945 is 54908282321.

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 12328280945 - 2⁸ = 12328280689 is a prime.

It is a super-2 number, since 2×12328280945² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12328280896 and 12328280905.

It is an unprimeable number.

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, 53601107 + ... + 53601336.

It is an arithmetic number, because the mean of its divisors is an integer number (1929643992).

Almost surely, 2^12328280945 is an apocalyptic number.

It is an amenable number.

12328280945 is a deficient number, since it is larger than the sum of its proper divisors (3108870991).

12328280945 is a wasteful number, since it uses less digits than its factorization.

12328280945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107202471.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 12328280945 in words is "twelve billion, three hundred twenty-eight million, two hundred eighty thousand, nine hundred forty-five".