212030444 has 12 divisors (see below), whose sum is σ = 374656464. Its totient is φ = 104985744.

The previous prime is 212030417. The next prime is 212030447. The reversal of 212030444 is 444030212.

It is not an unprimeable number, because it can be changed into a prime (212030447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256907 + ... + 257730.

It is an arithmetic number, because the mean of its divisors is an integer number (31221372).

Almost surely, 2^212030444 is an apocalyptic number.

It is an amenable number.

212030444 is a deficient number, since it is larger than the sum of its proper divisors (162626020).

212030444 is a wasteful number, since it uses less digits than its factorization.

212030444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514744 (or 514742 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 212030444 is about 14561.2651922833. The cubic root of 212030444 is about 596.3017367685.

Adding to 212030444 its reverse (444030212), we get a palindrome (656060656).

The spelling of 212030444 in words is "two hundred twelve million, thirty thousand, four hundred forty-four".