12004420231 has 2 divisors, whose sum is σ = 12004420232. Its totient is φ = 12004420230.

The previous prime is 12004420187. The next prime is 12004420243. The reversal of 12004420231 is 13202440021.

12004420231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12004420231 - 2¹¹ = 12004418183 is a prime.

It is a super-2 number, since 2×12004420231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12004420199 and 12004420208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12004424231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002210115 + 6002210116.

It is an arithmetic number, because the mean of its divisors is an integer number (6002210116).

Almost surely, 2^12004420231 is an apocalyptic number.

12004420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004420231 is an equidigital number, since it uses as much as digits as its factorization.

12004420231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12004420231 its reverse (13202440021), we get a palindrome (25206860252).

The spelling of 12004420231 in words is "twelve billion, four million, four hundred twenty thousand, two hundred thirty-one".