212232334 has 4 divisors (see below), whose sum is σ = 318348504. Its totient is φ = 106116166.

The previous prime is 212232331. The next prime is 212232341. The reversal of 212232334 is 433232212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53058082 + ... + 53058085.

It is an arithmetic number, because the mean of its divisors is an integer number (79587126).

Almost surely, 2^212232334 is an apocalyptic number.

212232334 is a deficient number, since it is larger than the sum of its proper divisors (106116170).

212232334 is a wasteful number, since it uses less digits than its factorization.

212232334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106116169.

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

The square root of 212232334 is about 14568.1959761667. The cubic root of 212232334 is about 596.4909378500.

Adding to 212232334 its reverse (433232212), we get a palindrome (645464546).

The spelling of 212232334 in words is "two hundred twelve million, two hundred thirty-two thousand, three hundred thirty-four".