1210675131109 has 2 divisors, whose sum is σ = 1210675131110. Its totient is φ = 1210675131108.

The previous prime is 1210675131091. The next prime is 1210675131131. The reversal of 1210675131109 is 9011315760121.

Together with previous prime (1210675131091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208453894209 + 2221236900 = 1099297^2 + 47130^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210675131109 - 2⁷ = 1210675130981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210675132109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605337565554 + 605337565555.

It is an arithmetic number, because the mean of its divisors is an integer number (605337565555).

Almost surely, 2^{1210675131109} is an apocalyptic number.

It is an amenable number.

1210675131109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210675131109 is an equidigital number, since it uses as much as digits as its factorization.

1210675131109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 37.

The spelling of 1210675131109 in words is "one trillion, two hundred ten billion, six hundred seventy-five million, one hundred thirty-one thousand, one hundred nine".