1200102222127 has 2 divisors, whose sum is σ = 1200102222128. Its totient is φ = 1200102222126.

The previous prime is 1200102222107. The next prime is 1200102222199. The reversal of 1200102222127 is 7212222010021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200102222127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200102222098 and 1200102222107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200102222107) 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, 600051111063 + 600051111064.

It is an arithmetic number, because the mean of its divisors is an integer number (600051111064).

Almost surely, 2^{1200102222127} is an apocalyptic number.

1200102222127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200102222127 is an equidigital number, since it uses as much as digits as its factorization.

1200102222127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 1200102222127 its reverse (7212222010021), we get a palindrome (8412324232148).

The spelling of 1200102222127 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-seven".