212273057 has 4 divisors (see below), whose sum is σ = 213459120. Its totient is φ = 211086996.

The previous prime is 212273029. The next prime is 212273071. The reversal of 212273057 is 750372212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212273057 - 2⁶ = 212272993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212273357) 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 3 ways as a sum of consecutive naturals, for example, 592763 + ... + 593120.

It is an arithmetic number, because the mean of its divisors is an integer number (53364780).

Almost surely, 2^212273057 is an apocalyptic number.

It is an amenable number.

212273057 is a deficient number, since it is larger than the sum of its proper divisors (1186063).

212273057 is a wasteful number, since it uses less digits than its factorization.

212273057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186062.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 212273057 is about 14569.5935770357. The cubic root of 212273057 is about 596.5290868391.

The spelling of 212273057 in words is "two hundred twelve million, two hundred seventy-three thousand, fifty-seven".