212332330 has 32 divisors (see below), whose sum is σ = 450892800. Its totient is φ = 70450560.

The previous prime is 212332283. The next prime is 212332339. The reversal of 212332330 is 33233212.

212332330 = T₄₆₀ + T₄₆₁ + ... + T₁₁₁₀.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212332298 and 212332307.

It is not an unprimeable number, because it can be changed into a prime (212332339) 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 15 ways as a sum of consecutive naturals, for example, 46755 + ... + 51094.

It is an arithmetic number, because the mean of its divisors is an integer number (14090400).

Almost surely, 2^212332330 is an apocalyptic number.

212332330 is an abundant number, since it is smaller than the sum of its proper divisors (238560470).

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

212332330 is a wasteful number, since it uses less digits than its factorization.

212332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97894.

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

The square root of 212332330 is about 14571.6275686692. The cubic root of 212332330 is about 596.5846046056.

Adding to 212332330 its reverse (33233212), we get a palindrome (245565542).

It can be divided in two parts, 2123 and 32330, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 212332330 in words is "two hundred twelve million, three hundred thirty-two thousand, three hundred thirty".