212073144196 has 9 divisors (see below), whose sum is σ = 371129614149. Its totient is φ = 106036111584.

The previous prime is 212073144193. The next prime is 212073144221. The reversal of 212073144196 is 691441370212.

The square root of 212073144196 is 460514.

It is a perfect power (a square), and thus also a powerful number.

212073144196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27805562500 + 184267581696 = 166750^2 + 429264^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212073144193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 805900 + ... + 1036156.

Almost surely, 2^212073144196 is an apocalyptic number.

212073144196 is the 460514-th square number.

It is an amenable number.

212073144196 is a deficient number, since it is larger than the sum of its proper divisors (159056469953).

212073144196 is an frugal number, since it uses more digits than its factorization.

212073144196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460518 (or 230259 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 212073144196 in words is "two hundred twelve billion, seventy-three million, one hundred forty-four thousand, one hundred ninety-six".