12045728171 has 2 divisors, whose sum is σ = 12045728172. Its totient is φ = 12045728170.

The previous prime is 12045728147. The next prime is 12045728213. The reversal of 12045728171 is 17182754021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12045728171 - 2¹⁰ = 12045727147 is a prime.

It is not a weakly prime, because it can be changed into another prime (12045727171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022864085 + 6022864086.

It is an arithmetic number, because the mean of its divisors is an integer number (6022864086).

Almost surely, 2^12045728171 is an apocalyptic number.

12045728171 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045728171 is an equidigital number, since it uses as much as digits as its factorization.

12045728171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 38.

The spelling of 12045728171 in words is "twelve billion, forty-five million, seven hundred twenty-eight thousand, one hundred seventy-one".