212342255 has 16 divisors (see below), whose sum is σ = 258223680. Its totient is φ = 167612928.

The previous prime is 212342243. The next prime is 212342261. The reversal of 212342255 is 552243212.

It is a cyclic number.

It is not a de Polignac number, because 212342255 - 2⁸ = 212341999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147881 + ... + 149309.

It is an arithmetic number, because the mean of its divisors is an integer number (16138980).

Almost surely, 2^212342255 is an apocalyptic number.

212342255 is a deficient number, since it is larger than the sum of its proper divisors (45881425).

212342255 is a wasteful number, since it uses less digits than its factorization.

212342255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810.

The product of its digits is 4800, while the sum is 26.

The square root of 212342255 is about 14571.9681237642. The cubic root of 212342255 is about 596.5938997986.

Adding to 212342255 its reverse (552243212), we get a palindrome (764585467).

The spelling of 212342255 in words is "two hundred twelve million, three hundred forty-two thousand, two hundred fifty-five".