12127999067 has 2 divisors, whose sum is σ = 12127999068. Its totient is φ = 12127999066.

The previous prime is 12127999043. The next prime is 12127999109. The reversal of 12127999067 is 76099972121.

12127999067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12127999067 - 2⁸ = 12127998811 is a prime.

It is a super-2 number, since 2×12127999067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12127929067) 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, 6063999533 + 6063999534.

It is an arithmetic number, because the mean of its divisors is an integer number (6063999534).

Almost surely, 2^12127999067 is an apocalyptic number.

12127999067 is a deficient number, since it is larger than the sum of its proper divisors (1).

12127999067 is an equidigital number, since it uses as much as digits as its factorization.

12127999067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 12127999067 in words is "twelve billion, one hundred twenty-seven million, nine hundred ninety-nine thousand, sixty-seven".