12232322031 has 4 divisors (see below), whose sum is σ = 16309762712. Its totient is φ = 8154881352.

The previous prime is 12232322027. The next prime is 12232322041. The reversal of 12232322031 is 13022323221.

It is a happy number.

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

It is not a de Polignac number, because 12232322031 - 2² = 12232322027 is a prime.

It is a super-2 number, since 2×12232322031² (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 = 12232321989 and 12232322007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232322021) 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, 2038720336 + ... + 2038720341.

It is an arithmetic number, because the mean of its divisors is an integer number (4077440678).

Almost surely, 2^12232322031 is an apocalyptic number.

12232322031 is a deficient number, since it is larger than the sum of its proper divisors (4077440681).

12232322031 is an equidigital number, since it uses as much as digits as its factorization.

12232322031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077440680.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12232322031 its reverse (13022323221), we get a palindrome (25254645252).

The spelling of 12232322031 in words is "twelve billion, two hundred thirty-two million, three hundred twenty-two thousand, thirty-one".