212023102177 has 2 divisors, whose sum is σ = 212023102178. Its totient is φ = 212023102176.

The previous prime is 212023102087. The next prime is 212023102219. The reversal of 212023102177 is 771201320212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108920460961 + 103102641216 = 330031^2 + 321096^2 .

It is a cyclic number.

It is not a de Polignac number, because 212023102177 - 2¹¹ = 212023100129 is a prime.

It is not a weakly prime, because it can be changed into another prime (212023132177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106011551088 + 106011551089.

It is an arithmetic number, because the mean of its divisors is an integer number (106011551089).

Almost surely, 2^212023102177 is an apocalyptic number.

It is an amenable number.

212023102177 is a deficient number, since it is larger than the sum of its proper divisors (1).

212023102177 is an equidigital number, since it uses as much as digits as its factorization.

212023102177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 212023102177 its reverse (771201320212), we get a palindrome (983224422389).

The spelling of 212023102177 in words is "two hundred twelve billion, twenty-three million, one hundred two thousand, one hundred seventy-seven".