1202116656641 has 2 divisors, whose sum is σ = 1202116656642. Its totient is φ = 1202116656640.

The previous prime is 1202116656607. The next prime is 1202116656647. The reversal of 1202116656641 is 1466566112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166823398416 + 35293258225 = 1080196^2 + 187865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202116656641 - 2³⁰ = 1201042914817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1202116656647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601058328320 + 601058328321.

It is an arithmetic number, because the mean of its divisors is an integer number (601058328321).

Almost surely, 2^{1202116656641} is an apocalyptic number.

It is an amenable number.

1202116656641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202116656641 is an equidigital number, since it uses as much as digits as its factorization.

1202116656641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 1202116656641 in words is "one trillion, two hundred two billion, one hundred sixteen million, six hundred fifty-six thousand, six hundred forty-one".