12006500173 has 2 divisors, whose sum is σ = 12006500174. Its totient is φ = 12006500172.

The previous prime is 12006500153. The next prime is 12006500183. The reversal of 12006500173 is 37100560021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11244905764 + 761594409 = 106042^2 + 27597^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12006500173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12006500123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6003250086 + 6003250087.

It is an arithmetic number, because the mean of its divisors is an integer number (6003250087).

Almost surely, 2^12006500173 is an apocalyptic number.

It is an amenable number.

12006500173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12006500173 is an equidigital number, since it uses as much as digits as its factorization.

12006500173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 12006500173 in words is "twelve billion, six million, five hundred thousand, one hundred seventy-three".