12321022212231 has 8 divisors (see below), whose sum is σ = 16428064059264. Its totient is φ = 8213997586680.

The previous prime is 12321022212197. The next prime is 12321022212259. The reversal of 12321022212231 is 13221222012321.

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

It is not a de Polignac number, because 12321022212231 - 2¹⁰ = 12321022211207 is a prime.

It is a super-3 number, since 3×12321022212231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321022212281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531601 + ... + 5572346.

It is an arithmetic number, because the mean of its divisors is an integer number (2053508007408).

Almost surely, 2^{12321022212231} is an apocalyptic number.

12321022212231 is a deficient number, since it is larger than the sum of its proper divisors (4107041847033).

12321022212231 is an equidigital number, since it uses as much as digits as its factorization.

12321022212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610741.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12321022212231 its reverse (13221222012321), we get a palindrome (25542244224552).

The spelling of 12321022212231 in words is "twelve trillion, three hundred twenty-one billion, twenty-two million, two hundred twelve thousand, two hundred thirty-one".