212049 has 6 divisors (see below), whose sum is σ = 306306. Its totient is φ = 141360.

The previous prime is 212039. The next prime is 212057. The reversal of 212049 is 940212.

212049 is digitally balanced in base 2, 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., 154449 + 57600 = 393^2 + 240^2 .

It is not a de Polignac number, because 212049 - 2¹² = 207953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11772 + ... + 11789.

It is an arithmetic number, because the mean of its divisors is an integer number (51051).

2²¹²⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

212049 is a deficient number, since it is larger than the sum of its proper divisors (94257).

212049 is a wasteful number, since it uses less digits than its factorization.

212049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23567 (or 23564 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 212049 is about 460.4877848543. The cubic root of 212049 is about 59.6319131523.

The spelling of 212049 in words is "two hundred twelve thousand, forty-nine".