212532110173 has 2 divisors, whose sum is σ = 212532110174. Its totient is φ = 212532110172.

The previous prime is 212532110129. The next prime is 212532110179. The reversal of 212532110173 is 371011235212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110950946649 + 101581163524 = 333093^2 + 318718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212532110173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212532110179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106266055086 + 106266055087.

It is an arithmetic number, because the mean of its divisors is an integer number (106266055087).

Almost surely, 2^212532110173 is an apocalyptic number.

It is an amenable number.

212532110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

212532110173 is an equidigital number, since it uses as much as digits as its factorization.

212532110173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 212532110173 its reverse (371011235212), we get a palindrome (583543345385).

The spelling of 212532110173 in words is "two hundred twelve billion, five hundred thirty-two million, one hundred ten thousand, one hundred seventy-three".