12166124671 has 2 divisors, whose sum is σ = 12166124672. Its totient is φ = 12166124670.

The previous prime is 12166124651. The next prime is 12166124713. The reversal of 12166124671 is 17642166121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12166124671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12166124671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12166124651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083062335 + 6083062336.

It is an arithmetic number, because the mean of its divisors is an integer number (6083062336).

Almost surely, 2^12166124671 is an apocalyptic number.

12166124671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12166124671 is an equidigital number, since it uses as much as digits as its factorization.

12166124671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The spelling of 12166124671 in words is "twelve billion, one hundred sixty-six million, one hundred twenty-four thousand, six hundred seventy-one".