12001223012167 has 2 divisors, whose sum is σ = 12001223012168. Its totient is φ = 12001223012166.

The previous prime is 12001223012153. The next prime is 12001223012197. The reversal of 12001223012167 is 76121032210021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001223012167 is a prime.

It is a super-3 number, since 3×12001223012167³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001223012197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000611506083 + 6000611506084.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611506084).

Almost surely, 2^{12001223012167} is an apocalyptic number.

12001223012167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001223012167 is an equidigital number, since it uses as much as digits as its factorization.

12001223012167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 12001223012167 its reverse (76121032210021), we get a palindrome (88122255222188).

The spelling of 12001223012167 in words is "twelve trillion, one billion, two hundred twenty-three million, twelve thousand, one hundred sixty-seven".