12223012031 has 2 divisors, whose sum is σ = 12223012032. Its totient is φ = 12223012030.

The previous prime is 12223012027. The next prime is 12223012073. The reversal of 12223012031 is 13021032221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12223012031 - 2² = 12223012027 is a prime.

It is a super-2 number, since 2×12223012031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12223012091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111506015 + 6111506016.

It is an arithmetic number, because the mean of its divisors is an integer number (6111506016).

Almost surely, 2^12223012031 is an apocalyptic number.

12223012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12223012031 is an equidigital number, since it uses as much as digits as its factorization.

12223012031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12223012031 its reverse (13021032221), we get a palindrome (25244044252).

The spelling of 12223012031 in words is "twelve billion, two hundred twenty-three million, twelve thousand, thirty-one".