12052235686657 has 2 divisors, whose sum is σ = 12052235686658. Its totient is φ = 12052235686656.

The previous prime is 12052235686651. The next prime is 12052235686669. The reversal of 12052235686657 is 75668653225021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9167669729856 + 2884565956801 = 3027816^2 + 1698401^2 .

It is an emirp because it is prime and its reverse (75668653225021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12052235686657 - 2¹⁵ = 12052235653889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12052235686651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026117843328 + 6026117843329.

It is an arithmetic number, because the mean of its divisors is an integer number (6026117843329).

Almost surely, 2^{12052235686657} is an apocalyptic number.

It is an amenable number.

12052235686657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12052235686657 is an equidigital number, since it uses as much as digits as its factorization.

12052235686657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 12052235686657 in words is "twelve trillion, fifty-two billion, two hundred thirty-five million, six hundred eighty-six thousand, six hundred fifty-seven".