1200002220127 has 2 divisors, whose sum is σ = 1200002220128. Its totient is φ = 1200002220126.

The previous prime is 1200002220097. The next prime is 1200002220163. The reversal of 1200002220127 is 7210222000021.

It is a weak prime.

It is an emirp because it is prime and its reverse (7210222000021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1200002220127 - 2¹⁹ = 1200001695839 is a prime.

It is a super-2 number, since 2×1200002220127² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200002220227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600001110063 + 600001110064.

It is an arithmetic number, because the mean of its divisors is an integer number (600001110064).

Almost surely, 2^{1200002220127} is an apocalyptic number.

1200002220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200002220127 is an equidigital number, since it uses as much as digits as its factorization.

1200002220127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 1200002220127 its reverse (7210222000021), we get a palindrome (8410224220148).

The spelling of 1200002220127 in words is "one trillion, two hundred billion, two million, two hundred twenty thousand, one hundred twenty-seven".