12172573253 has 2 divisors, whose sum is σ = 12172573254. Its totient is φ = 12172573252.

The previous prime is 12172573249. The next prime is 12172573261. The reversal of 12172573253 is 35237527121.

12172573253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9160978369 + 3011594884 = 95713^2 + 54878^2 .

It is a cyclic number.

It is not a de Polignac number, because 12172573253 - 2² = 12172573249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12172573213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6086286626 + 6086286627.

It is an arithmetic number, because the mean of its divisors is an integer number (6086286627).

Almost surely, 2^12172573253 is an apocalyptic number.

It is an amenable number.

12172573253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12172573253 is an equidigital number, since it uses as much as digits as its factorization.

12172573253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 38.

The spelling of 12172573253 in words is "twelve billion, one hundred seventy-two million, five hundred seventy-three thousand, two hundred fifty-three".