212544334 has 8 divisors (see below), whose sum is σ = 332678160. Its totient is φ = 101651616.

The previous prime is 212544331. The next prime is 212544341. The reversal of 212544334 is 433445212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212544331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2310219 + ... + 2310310.

It is an arithmetic number, because the mean of its divisors is an integer number (41584770).

Almost surely, 2^212544334 is an apocalyptic number.

212544334 is a deficient number, since it is larger than the sum of its proper divisors (120133826).

212544334 is a wasteful number, since it uses less digits than its factorization.

212544334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4620554.

The product of its digits is 11520, while the sum is 28.

The square root of 212544334 is about 14578.9003014631. The cubic root of 212544334 is about 596.7830925947.

Adding to 212544334 its reverse (433445212), we get a palindrome (645989546).

It can be divided in two parts, 212544 and 334, that added together give a triangular number (212878 = T₆₅₂).

The spelling of 212544334 in words is "two hundred twelve million, five hundred forty-four thousand, three hundred thirty-four".