12311000321321 has 8 divisors (see below), whose sum is σ = 13263213909120. Its totient is φ = 11359531528272.

The previous prime is 12311000321297. The next prime is 12311000321329. The reversal of 12311000321321 is 12312300011321.

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 12311000321321 - 2¹⁴ = 12311000304937 is a prime.

It is a super-3 number, since 3×12311000321321³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12311000321293 and 12311000321302.

It is not an unprimeable number, because it can be changed into a prime (12311000321329) 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, 186164351 + ... + 186230468.

It is an arithmetic number, because the mean of its divisors is an integer number (1657901738640).

Almost surely, 2^{12311000321321} is an apocalyptic number.

It is an amenable number.

12311000321321 is a deficient number, since it is larger than the sum of its proper divisors (952213587799).

12311000321321 is a wasteful number, since it uses less digits than its factorization.

12311000321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372397375.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12311000321321 its reverse (12312300011321), we get a palindrome (24623300332642).

The spelling of 12311000321321 in words is "twelve trillion, three hundred eleven billion, three hundred twenty-one thousand, three hundred twenty-one".