212012002200161 has 2 divisors, whose sum is σ = 212012002200162. Its totient is φ = 212012002200160.

The previous prime is 212012002200127. The next prime is 212012002200217. The reversal of 212012002200161 is 161002200210212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153146664059536 + 58865338140625 = 12375244^2 + 7672375^2 .

It is a cyclic number.

It is not a de Polignac number, because 212012002200161 - 2³⁸ = 211737124293217 is a prime.

It is not a weakly prime, because it can be changed into another prime (212012002208161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006001100080 + 106006001100081.

It is an arithmetic number, because the mean of its divisors is an integer number (106006001100081).

Almost surely, 2^{212012002200161} is an apocalyptic number.

It is an amenable number.

212012002200161 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012002200161 is an equidigital number, since it uses as much as digits as its factorization.

212012002200161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 212012002200161 its reverse (161002200210212), we get a palindrome (373014202410373).

The spelling of 212012002200161 in words is "two hundred twelve trillion, twelve billion, two million, two hundred thousand, one hundred sixty-one".