12205066057 has 2 divisors, whose sum is σ = 12205066058. Its totient is φ = 12205066056.

The previous prime is 12205065913. The next prime is 12205066103. The reversal of 12205066057 is 75066050221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9142993161 + 3062072896 = 95619^2 + 55336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12205066057 - 2¹¹ = 12205064009 is a prime.

It is a super-3 number, since 3×12205066057³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12205066957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102533028 + 6102533029.

It is an arithmetic number, because the mean of its divisors is an integer number (6102533029).

Almost surely, 2^12205066057 is an apocalyptic number.

It is an amenable number.

12205066057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205066057 is an equidigital number, since it uses as much as digits as its factorization.

12205066057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 12205066057 in words is "twelve billion, two hundred five million, sixty-six thousand, fifty-seven".