212601273 has 16 divisors (see below), whose sum is σ = 285878400. Its totient is φ = 140534784.

The previous prime is 212601271. The next prime is 212601281. The reversal of 212601273 is 372106212.

It is not a de Polignac number, because 212601273 - 2¹ = 212601271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212601271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346515 + ... + 347127.

It is an arithmetic number, because the mean of its divisors is an integer number (17867400).

Almost surely, 2^212601273 is an apocalyptic number.

It is an amenable number.

212601273 is a deficient number, since it is larger than the sum of its proper divisors (73277127).

212601273 is a wasteful number, since it uses less digits than its factorization.

212601273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 212601273 is about 14580.8529585892. The cubic root of 212601273 is about 596.8363790440.

Adding to 212601273 its reverse (372106212), we get a palindrome (584707485).

The spelling of 212601273 in words is "two hundred twelve million, six hundred one thousand, two hundred seventy-three".