12022232120321 has 4 divisors (see below), whose sum is σ = 12024211746372. Its totient is φ = 12020252494272.

The previous prime is 12022232120263. The next prime is 12022232120333. The reversal of 12022232120321 is 12302123222021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10445248711921 + 1576983408400 = 3231911^2 + 1255780^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022232120321 - 2¹⁸ = 12022231858177 is a prime.

It is a super-2 number, since 2×12022232120321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12022232120621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989803916 + ... + 989816061.

It is an arithmetic number, because the mean of its divisors is an integer number (3006052936593).

Almost surely, 2^{12022232120321} is an apocalyptic number.

It is an amenable number.

12022232120321 is a deficient number, since it is larger than the sum of its proper divisors (1979626051).

12022232120321 is an equidigital number, since it uses as much as digits as its factorization.

12022232120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979626050.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12022232120321 its reverse (12302123222021), we get a palindrome (24324355342342).

The spelling of 12022232120321 in words is "twelve trillion, twenty-two billion, two hundred thirty-two million, one hundred twenty thousand, three hundred twenty-one".