12166426043 has 2 divisors, whose sum is σ = 12166426044. Its totient is φ = 12166426042.

The previous prime is 12166426037. The next prime is 12166426073. The reversal of 12166426043 is 34062466121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12166426043 - 2⁶ = 12166425979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12166425994 and 12166426012.

It is not a weakly prime, because it can be changed into another prime (12166426073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083213021 + 6083213022.

It is an arithmetic number, because the mean of its divisors is an integer number (6083213022).

Almost surely, 2^12166426043 is an apocalyptic number.

12166426043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12166426043 is an equidigital number, since it uses as much as digits as its factorization.

12166426043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 12166426043 in words is "twelve billion, one hundred sixty-six million, four hundred twenty-six thousand, forty-three".