4012440142231 has 2 divisors, whose sum is σ = 4012440142232. Its totient is φ = 4012440142230.

The previous prime is 4012440142157. The next prime is 4012440142237. The reversal of 4012440142231 is 1322410442104.

4012440142231 is digitally balanced in base 3, 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 4012440142231 - 2⁷ = 4012440142103 is a prime.

It is a super-2 number, since 2×4012440142231² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4012440142231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4012440142237) 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, 2006220071115 + 2006220071116.

It is an arithmetic number, because the mean of its divisors is an integer number (2006220071116).

Almost surely, 2^{4012440142231} is an apocalyptic number.

4012440142231 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012440142231 is an equidigital number, since it uses as much as digits as its factorization.

4012440142231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4012440142231 its reverse (1322410442104), we get a palindrome (5334850584335).

The spelling of 4012440142231 in words is "four trillion, twelve billion, four hundred forty million, one hundred forty-two thousand, two hundred thirty-one".