212430334 has 16 divisors (see below), whose sum is σ = 342428688. Its totient is φ = 98474112.

The previous prime is 212430287. The next prime is 212430341. The reversal of 212430334 is 433034212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44349 + ... + 48904.

It is an arithmetic number, because the mean of its divisors is an integer number (21401793).

Almost surely, 2^212430334 is an apocalyptic number.

212430334 is a deficient number, since it is larger than the sum of its proper divisors (129998354).

212430334 is a wasteful number, since it uses less digits than its factorization.

212430334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93339.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 212430334 is about 14574.9900171492. The cubic root of 212430334 is about 596.6763769144.

Adding to 212430334 its reverse (433034212), we get a palindrome (645464546).

The spelling of 212430334 in words is "two hundred twelve million, four hundred thirty thousand, three hundred thirty-four".