12320123012009 has 8 divisors (see below), whose sum is σ = 12322000998720. Its totient is φ = 12318245182576.

The previous prime is 12320123011991. The next prime is 12320123012033. The reversal of 12320123012009 is 90021032102321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12320123012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12320123012059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344629874 + ... + 344665620.

It is an arithmetic number, because the mean of its divisors is an integer number (1540250124840).

Almost surely, 2^{12320123012009} is an apocalyptic number.

It is an amenable number.

12320123012009 is a deficient number, since it is larger than the sum of its proper divisors (1877986711).

12320123012009 is a wasteful number, since it uses less digits than its factorization.

12320123012009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78639.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12320123012009 in words is "twelve trillion, three hundred twenty billion, one hundred twenty-three million, twelve thousand, nine".