12021236012167 has 2 divisors, whose sum is σ = 12021236012168. Its totient is φ = 12021236012166.

The previous prime is 12021236012111. The next prime is 12021236012189. The reversal of 12021236012167 is 76121063212021.

It is a strong prime.

It is an emirp because it is prime and its reverse (76121063212021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021236012167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021236012867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010618006083 + 6010618006084.

It is an arithmetic number, because the mean of its divisors is an integer number (6010618006084).

Almost surely, 2^{12021236012167} is an apocalyptic number.

12021236012167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021236012167 is an equidigital number, since it uses as much as digits as its factorization.

12021236012167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 12021236012167 its reverse (76121063212021), we get a palindrome (88142299224188).

The spelling of 12021236012167 in words is "twelve trillion, twenty-one billion, two hundred thirty-six million, twelve thousand, one hundred sixty-seven".