212603144775057 has 12 divisors (see below), whose sum is σ = 310259343006340. Its totient is φ = 140274239851008.

The previous prime is 212603144775041. The next prime is 212603144775059. The reversal of 212603144775057 is 750577441306212.

212603144775057 is a `hidden beast` number, since 2 + 1 + 2 + 60 + 3 + 1 + 4 + 4 + 77 + 505 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87665319576576 + 124937825198481 = 9362976^2 + 11177559^2 .

It is not a de Polignac number, because 212603144775057 - 2⁴ = 212603144775041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212603144774994 and 212603144775012.

It is not an unprimeable number, because it can be changed into a prime (212603144775059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121765832332 + ... + 121765834077.

Almost surely, 2^{212603144775057} is an apocalyptic number.

It is an amenable number.

212603144775057 is a deficient number, since it is larger than the sum of its proper divisors (97656198231283).

212603144775057 is a wasteful number, since it uses less digits than its factorization.

212603144775057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243531666512 (or 243531666509 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 54.

The spelling of 212603144775057 in words is "two hundred twelve trillion, six hundred three billion, one hundred forty-four million, seven hundred seventy-five thousand, fifty-seven".