1210122210173 has 2 divisors, whose sum is σ = 1210122210174. Its totient is φ = 1210122210172.

The previous prime is 1210122210119. The next prime is 1210122210181. The reversal of 1210122210173 is 3710122210121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1207664727844 + 2457482329 = 1098938^2 + 49573^2 .

It is an emirp because it is prime and its reverse (3710122210121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210122210173 - 2⁶ = 1210122210109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210122210373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605061105086 + 605061105087.

It is an arithmetic number, because the mean of its divisors is an integer number (605061105087).

Almost surely, 2^{1210122210173} is an apocalyptic number.

It is an amenable number.

1210122210173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210122210173 is an equidigital number, since it uses as much as digits as its factorization.

1210122210173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 1210122210173 its reverse (3710122210121), we get a palindrome (4920244420294).

The spelling of 1210122210173 in words is "one trillion, two hundred ten billion, one hundred twenty-two million, two hundred ten thousand, one hundred seventy-three".