12011200127 has 2 divisors, whose sum is σ = 12011200128. Its totient is φ = 12011200126.

The previous prime is 12011200099. The next prime is 12011200129. The reversal of 12011200127 is 72100211021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011200127 - 2²⁴ = 11994422911 is a prime.

It is a super-2 number, since 2×12011200127² (a number of 21 digits) contains 22 as substring.

Together with 12011200129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011200129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005600063 + 6005600064.

It is an arithmetic number, because the mean of its divisors is an integer number (6005600064).

Almost surely, 2^12011200127 is an apocalyptic number.

12011200127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011200127 is an equidigital number, since it uses as much as digits as its factorization.

12011200127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12011200127 its reverse (72100211021), we get a palindrome (84111411148).

The spelling of 12011200127 in words is "twelve billion, eleven million, two hundred thousand, one hundred twenty-seven".