212333230 has 16 divisors (see below), whose sum is σ = 404682480. Its totient is φ = 79937152.

The previous prime is 212333221. The next prime is 212333249. The reversal of 212333230 is 32333212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212333198 and 212333207.

It is a congruent number.

It is an unprimeable number.

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, 624340 + ... + 624679.

It is an arithmetic number, because the mean of its divisors is an integer number (25292655).

Almost surely, 2^212333230 is an apocalyptic number.

212333230 is a deficient number, since it is larger than the sum of its proper divisors (192349250).

212333230 is a wasteful number, since it uses less digits than its factorization.

212333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249043.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 212333230 is about 14571.6584505677. The cubic root of 212333230 is about 596.5854475066.

Adding to 212333230 its reverse (32333212), we get a palindrome (244666442).

It can be divided in two parts, 2123 and 33230, that added together give a palindrome (35353).

The spelling of 212333230 in words is "two hundred twelve million, three hundred thirty-three thousand, two hundred thirty".