12210003123173 has 2 divisors, whose sum is σ = 12210003123174. Its totient is φ = 12210003123172.

The previous prime is 12210003123121. The next prime is 12210003123181. The reversal of 12210003123173 is 37132130001221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6509932822849 + 5700070300324 = 2551457^2 + 2387482^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210003123173 - 2⁸ = 12210003122917 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210003183173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105001561586 + 6105001561587.

It is an arithmetic number, because the mean of its divisors is an integer number (6105001561587).

Almost surely, 2^{12210003123173} is an apocalyptic number.

It is an amenable number.

12210003123173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210003123173 is an equidigital number, since it uses as much as digits as its factorization.

12210003123173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 12210003123173 its reverse (37132130001221), we get a palindrome (49342133124394).

The spelling of 12210003123173 in words is "twelve trillion, two hundred ten billion, three million, one hundred twenty-three thousand, one hundred seventy-three".