12066278957 has 2 divisors, whose sum is σ = 12066278958. Its totient is φ = 12066278956.

The previous prime is 12066278951. The next prime is 12066278993. The reversal of 12066278957 is 75987266021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8219054281 + 3847224676 = 90659^2 + 62026^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066278957 - 2⁴ = 12066278941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12066278899 and 12066278908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12066278951) 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, 6033139478 + 6033139479.

It is an arithmetic number, because the mean of its divisors is an integer number (6033139479).

Almost surely, 2^12066278957 is an apocalyptic number.

It is an amenable number.

12066278957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066278957 is an equidigital number, since it uses as much as digits as its factorization.

12066278957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 12066278957 in words is "twelve billion, sixty-six million, two hundred seventy-eight thousand, nine hundred fifty-seven".