212594330 has 16 divisors (see below), whose sum is σ = 412106184. Its totient is φ = 78496320.

The previous prime is 212594297. The next prime is 212594339. The reversal of 212594330 is 33495212.

212594330 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 4 ways, for example, as 79584241 + 133010089 = 8921^2 + 11533^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212594293 and 212594302.

It is not an unprimeable number, because it can be changed into a prime (212594339) 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 7 ways as a sum of consecutive naturals, for example, 817541 + ... + 817800.

Almost surely, 2^212594330 is an apocalyptic number.

212594330 is a deficient number, since it is larger than the sum of its proper divisors (199511854).

212594330 is a wasteful number, since it uses less digits than its factorization.

212594330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635361.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 212594330 is about 14580.6148704367. The cubic root of 212594330 is about 596.8298819363.

The spelling of 212594330 in words is "two hundred twelve million, five hundred ninety-four thousand, three hundred thirty".