1210122099959 has 2 divisors, whose sum is σ = 1210122099960. Its totient is φ = 1210122099958.

The previous prime is 1210122099899. The next prime is 1210122100001. The reversal of 1210122099959 is 9599902210121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1210122099959 - 2³² = 1205827132663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210125099959) 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, 605061049979 + 605061049980.

It is an arithmetic number, because the mean of its divisors is an integer number (605061049980).

Almost surely, 2^{1210122099959} is an apocalyptic number.

1210122099959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122099959 is an equidigital number, since it uses as much as digits as its factorization.

1210122099959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 50.

The spelling of 1210122099959 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, ninety-nine thousand, nine hundred fifty-nine".