12130223173 has 2 divisors, whose sum is σ = 12130223174. Its totient is φ = 12130223172.

The previous prime is 12130223167. The next prime is 12130223297. The reversal of 12130223173 is 37132203121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9120823009 + 3009400164 = 95503^2 + 54858^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130223173 - 2¹⁷ = 12130092101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12130223773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065111586 + 6065111587.

It is an arithmetic number, because the mean of its divisors is an integer number (6065111587).

Almost surely, 2^12130223173 is an apocalyptic number.

It is an amenable number.

12130223173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130223173 is an equidigital number, since it uses as much as digits as its factorization.

12130223173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

Adding to 12130223173 its reverse (37132203121), we get a palindrome (49262426294).

The spelling of 12130223173 in words is "twelve billion, one hundred thirty million, two hundred twenty-three thousand, one hundred seventy-three".