12030112231 has 2 divisors, whose sum is σ = 12030112232. Its totient is φ = 12030112230.

The previous prime is 12030112223. The next prime is 12030112261. The reversal of 12030112231 is 13221103021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12030112231 - 2³ = 12030112223 is a prime.

It is a super-2 number, since 2×12030112231² (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 (12030112261) 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, 6015056115 + 6015056116.

It is an arithmetic number, because the mean of its divisors is an integer number (6015056116).

Almost surely, 2^12030112231 is an apocalyptic number.

12030112231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12030112231 is an equidigital number, since it uses as much as digits as its factorization.

12030112231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12030112231 its reverse (13221103021), we get a palindrome (25251215252).

The spelling of 12030112231 in words is "twelve billion, thirty million, one hundred twelve thousand, two hundred thirty-one".