212333030 has 64 divisors (see below), whose sum is σ = 472445568. Its totient is φ = 66908160.

The previous prime is 212332997. The next prime is 212333039. The reversal of 212333030 is 30333212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333039) 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 31 ways as a sum of consecutive naturals, for example, 320900 + ... + 321560.

It is an arithmetic number, because the mean of its divisors is an integer number (7381962).

Almost surely, 2^212333030 is an apocalyptic number.

212333030 is an abundant number, since it is smaller than the sum of its proper divisors (260112538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212333030 is a wasteful number, since it uses less digits than its factorization.

212333030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 212333030 is about 14571.6515879292. The cubic root of 212333030 is about 596.5852601955.

Adding to 212333030 its reverse (30333212), we get a palindrome (242666242).

It can be divided in two parts, 2123 and 33030, that added together give a palindrome (35153).

The spelling of 212333030 in words is "two hundred twelve million, three hundred thirty-three thousand, thirty".