12001201200127 has 2 divisors, whose sum is σ = 12001201200128. Its totient is φ = 12001201200126.

The previous prime is 12001201200091. The next prime is 12001201200173. The reversal of 12001201200127 is 72100210210021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001201200127 is a prime.

It is a super-2 number, since 2×12001201200127² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001201200827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000600600063 + 6000600600064.

It is an arithmetic number, because the mean of its divisors is an integer number (6000600600064).

Almost surely, 2^{12001201200127} is an apocalyptic number.

12001201200127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001201200127 is an equidigital number, since it uses as much as digits as its factorization.

12001201200127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 12001201200127 its reverse (72100210210021), we get a palindrome (84101411410148).

The spelling of 12001201200127 in words is "twelve trillion, one billion, two hundred one million, two hundred thousand, one hundred twenty-seven".