12000004420231 has 2 divisors, whose sum is σ = 12000004420232. Its totient is φ = 12000004420230.

The previous prime is 12000004420213. The next prime is 12000004420289. The reversal of 12000004420231 is 13202440000021.

Together with previous prime (12000004420213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12000004420231 - 2¹⁷ = 12000004289159 is a prime.

It is a super-2 number, since 2×12000004420231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12000004420199 and 12000004420208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12000004426231) 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, 6000002210115 + 6000002210116.

It is an arithmetic number, because the mean of its divisors is an integer number (6000002210116).

Almost surely, 2^{12000004420231} is an apocalyptic number.

12000004420231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12000004420231 is an equidigital number, since it uses as much as digits as its factorization.

12000004420231 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 12000004420231 its reverse (13202440000021), we get a palindrome (25202444420252).

The spelling of 12000004420231 in words is "twelve trillion, four million, four hundred twenty thousand, two hundred thirty-one".