12003222023231 has 4 divisors (see below), whose sum is σ = 12003255043512. Its totient is φ = 12003189002952.

The previous prime is 12003222023183. The next prime is 12003222023293. The reversal of 12003222023231 is 13232022230021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003222023231 is a prime.

It is a super-2 number, since 2×12003222023231² (a number of 27 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 = 12003222023197 and 12003222023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003222023531) 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, 15958736 + ... + 16693941.

It is an arithmetic number, because the mean of its divisors is an integer number (3000813760878).

Almost surely, 2^{12003222023231} is an apocalyptic number.

12003222023231 is a deficient number, since it is larger than the sum of its proper divisors (33020281).

12003222023231 is an equidigital number, since it uses as much as digits as its factorization.

12003222023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33020280.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12003222023231 its reverse (13232022230021), we get a palindrome (25235244253252).

The spelling of 12003222023231 in words is "twelve trillion, three billion, two hundred twenty-two million, twenty-three thousand, two hundred thirty-one".