12011023231439 has 2 divisors, whose sum is σ = 12011023231440. Its totient is φ = 12011023231438.

The previous prime is 12011023231369. The next prime is 12011023231481. The reversal of 12011023231439 is 93413232011021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011023231439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011023831439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005511615719 + 6005511615720.

It is an arithmetic number, because the mean of its divisors is an integer number (6005511615720).

Almost surely, 2^{12011023231439} is an apocalyptic number.

12011023231439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011023231439 is an equidigital number, since it uses as much as digits as its factorization.

12011023231439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 12011023231439 in words is "twelve trillion, eleven billion, twenty-three million, two hundred thirty-one thousand, four hundred thirty-nine".