1210122021683 has 2 divisors, whose sum is σ = 1210122021684. Its totient is φ = 1210122021682.

The previous prime is 1210122021659. The next prime is 1210122021709. The reversal of 1210122021683 is 3861202210121.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3861202210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210122021683 - 2¹⁰ = 1210122020659 is a prime.

It is a super-2 number, since 2×1210122021683² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1210122021613) 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, 605061010841 + 605061010842.

It is an arithmetic number, because the mean of its divisors is an integer number (605061010842).

Almost surely, 2^{1210122021683} is an apocalyptic number.

1210122021683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122021683 is an equidigital number, since it uses as much as digits as its factorization.

1210122021683 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 1210122021683 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, twenty-one thousand, six hundred eighty-three".