212326612 has 12 divisors (see below), whose sum is σ = 371722176. Its totient is φ = 106120280.

The previous prime is 212326579. The next prime is 212326613. The reversal of 212326612 is 216623212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212326613) 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, 2037 + ... + 20707.

It is an arithmetic number, because the mean of its divisors is an integer number (30976848).

Almost surely, 2^212326612 is an apocalyptic number.

It is an amenable number.

212326612 is a deficient number, since it is larger than the sum of its proper divisors (159395564).

212326612 is a wasteful number, since it uses less digits than its factorization.

212326612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21518 (or 21516 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 212326612 is about 14571.4313641454. The cubic root of 212326612 is about 596.5792493191.

Adding to 212326612 its reverse (216623212), we get a palindrome (428949824).

The spelling of 212326612 in words is "two hundred twelve million, three hundred twenty-six thousand, six hundred twelve".