12042012331 has 2 divisors, whose sum is σ = 12042012332. Its totient is φ = 12042012330.

The previous prime is 12042012313. The next prime is 12042012343. The reversal of 12042012331 is 13321024021.

It is a happy number.

12042012331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (12042012313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12042012331 - 2¹¹ = 12042010283 is a prime.

It is a super-2 number, since 2×12042012331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042012299 and 12042012308.

It is not a weakly prime, because it can be changed into another prime (12042012361) 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, 6021006165 + 6021006166.

It is an arithmetic number, because the mean of its divisors is an integer number (6021006166).

Almost surely, 2^12042012331 is an apocalyptic number.

12042012331 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042012331 is an equidigital number, since it uses as much as digits as its factorization.

12042012331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12042012331 its reverse (13321024021), we get a palindrome (25363036352).

The spelling of 12042012331 in words is "twelve billion, forty-two million, twelve thousand, three hundred thirty-one".