212341330 has 16 divisors (see below), whose sum is σ = 382584384. Its totient is φ = 84854320.

The previous prime is 212341319. The next prime is 212341331. The reversal of 212341330 is 33143212.

It is a junction number, because it is equal to n+sod(n) for n = 212341298 and 212341307.

It is not an unprimeable number, because it can be changed into a prime (212341331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 20641.

It is an arithmetic number, because the mean of its divisors is an integer number (23911524).

Almost surely, 2^212341330 is an apocalyptic number.

212341330 is a deficient number, since it is larger than the sum of its proper divisors (170243054).

212341330 is a wasteful number, since it uses less digits than its factorization.

212341330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20561.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 212341330 is about 14571.9363847088. The cubic root of 212341330 is about 596.5930335082.

Adding to 212341330 its reverse (33143212), we get a palindrome (245484542).

The spelling of 212341330 in words is "two hundred twelve million, three hundred forty-one thousand, three hundred thirty".