12322021231 has 8 divisors (see below), whose sum is σ = 13270750640. Its totient is φ = 11373417792.

The previous prime is 12322021211. The next prime is 12322021249. The reversal of 12322021231 is 13212022321.

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 12322021231 - 2¹¹ = 12322019183 is a prime.

It is a super-2 number, since 2×12322021231² (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 = 12322021199 and 12322021208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322021211) 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, 304516 + ... + 342598.

It is an arithmetic number, because the mean of its divisors is an integer number (1658843830).

Almost surely, 2^12322021231 is an apocalyptic number.

12322021231 is a deficient number, since it is larger than the sum of its proper divisors (948729409).

12322021231 is a wasteful number, since it uses less digits than its factorization.

12322021231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62985.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12322021231 its reverse (13212022321), we get a palindrome (25534043552).

The spelling of 12322021231 in words is "twelve billion, three hundred twenty-two million, twenty-one thousand, two hundred thirty-one".