12012334421167 has 2 divisors, whose sum is σ = 12012334421168. Its totient is φ = 12012334421166.

The previous prime is 12012334421149. The next prime is 12012334421203. The reversal of 12012334421167 is 76112443321021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012334421167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012334421137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006167210583 + 6006167210584.

It is an arithmetic number, because the mean of its divisors is an integer number (6006167210584).

Almost surely, 2^{12012334421167} is an apocalyptic number.

12012334421167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012334421167 is an equidigital number, since it uses as much as digits as its factorization.

12012334421167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

Adding to 12012334421167 its reverse (76112443321021), we get a palindrome (88124777742188).

The spelling of 12012334421167 in words is "twelve trillion, twelve billion, three hundred thirty-four million, four hundred twenty-one thousand, one hundred sixty-seven".