120121200127 has 2 divisors, whose sum is σ = 120121200128. Its totient is φ = 120121200126.

The previous prime is 120121200107. The next prime is 120121200149. The reversal of 120121200127 is 721002121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121200127 - 2³⁵ = 85761461759 is a prime.

It is a super-2 number, since 2×120121200127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121200107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060600063 + 60060600064.

It is an arithmetic number, because the mean of its divisors is an integer number (60060600064).

Almost surely, 2^120121200127 is an apocalyptic number.

120121200127 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121200127 is an equidigital number, since it uses as much as digits as its factorization.

120121200127 is an odious number, because the sum of its binary digits is odd.

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

Adding to 120121200127 its reverse (721002121021), we get a palindrome (841123321148).

The spelling of 120121200127 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thousand, one hundred twenty-seven".