212232530 has 16 divisors (see below), whose sum is σ = 385729344. Its totient is φ = 84068400.

The previous prime is 212232529. The next prime is 212232551. The reversal of 212232530 is 35232212.

212232530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 101996 + ... + 104055.

It is an arithmetic number, because the mean of its divisors is an integer number (24108084).

Almost surely, 2^212232530 is an apocalyptic number.

212232530 is a deficient number, since it is larger than the sum of its proper divisors (173496814).

212232530 is a wasteful number, since it uses less digits than its factorization.

212232530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206161.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 212232530 is about 14568.2027031477. The cubic root of 212232530 is about 596.4911214729.

Adding to 212232530 its reverse (35232212), we get a palindrome (247464742).

The spelling of 212232530 in words is "two hundred twelve million, two hundred thirty-two thousand, five hundred thirty".