12070661166121 has 2 divisors, whose sum is σ = 12070661166122. Its totient is φ = 12070661166120.

The previous prime is 12070661166061. The next prime is 12070661166197. The reversal of 12070661166121 is 12166116607021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7838544067600 + 4232117098521 = 2799740^2 + 2057211^2 .

It is a cyclic number.

It is not a de Polignac number, because 12070661166121 - 2³⁵ = 12036301427753 is a prime.

It is not a weakly prime, because it can be changed into another prime (12070661166821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035330583060 + 6035330583061.

It is an arithmetic number, because the mean of its divisors is an integer number (6035330583061).

Almost surely, 2^{12070661166121} is an apocalyptic number.

It is an amenable number.

12070661166121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12070661166121 is an equidigital number, since it uses as much as digits as its factorization.

12070661166121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 12070661166121 in words is "twelve trillion, seventy billion, six hundred sixty-one million, one hundred sixty-six thousand, one hundred twenty-one".