12321116213 has 8 divisors (see below), whose sum is σ = 14165596032. Its totient is φ = 10497716496.

The previous prime is 12321116209. The next prime is 12321116237. The reversal of 12321116213 is 31261112321.

12321116213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12321116213 - 2² = 12321116209 is a prime.

It is a super-2 number, since 2×12321116213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321118213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268770 + ... + 5271107.

It is an arithmetic number, because the mean of its divisors is an integer number (1770699504).

Almost surely, 2^12321116213 is an apocalyptic number.

It is an amenable number.

12321116213 is a deficient number, since it is larger than the sum of its proper divisors (1844479819).

12321116213 is a wasteful number, since it uses less digits than its factorization.

12321116213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540051.

The product of its digits is 432, while the sum is 23.

Adding to 12321116213 its reverse (31261112321), we get a palindrome (43582228534).

The spelling of 12321116213 in words is "twelve billion, three hundred twenty-one million, one hundred sixteen thousand, two hundred thirteen".