1200112212071 has 2 divisors, whose sum is σ = 1200112212072. Its totient is φ = 1200112212070.

The previous prime is 1200112212049. The next prime is 1200112212107. The reversal of 1200112212071 is 1702122110021.

It is a happy number.

Together with next prime (1200112212107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200112212071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200112212571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600056106035 + 600056106036.

It is an arithmetic number, because the mean of its divisors is an integer number (600056106036).

Almost surely, 2^{1200112212071} is an apocalyptic number.

1200112212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200112212071 is an equidigital number, since it uses as much as digits as its factorization.

1200112212071 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 20.

Adding to 1200112212071 its reverse (1702122110021), we get a palindrome (2902234322092).

The spelling of 1200112212071 in words is "one trillion, two hundred billion, one hundred twelve million, two hundred twelve thousand, seventy-one".