1210122067249 has 2 divisors, whose sum is σ = 1210122067250. Its totient is φ = 1210122067248.

The previous prime is 1210122067243. The next prime is 1210122067279. The reversal of 1210122067249 is 9427602210121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807379522849 + 402742544400 = 898543^2 + 634620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210122067249 - 2³³ = 1201532132657 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210122067243) 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, 605061033624 + 605061033625.

It is an arithmetic number, because the mean of its divisors is an integer number (605061033625).

Almost surely, 2^{1210122067249} is an apocalyptic number.

It is an amenable number.

1210122067249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122067249 is an equidigital number, since it uses as much as digits as its factorization.

1210122067249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 1210122067249 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, sixty-seven thousand, two hundred forty-nine".