212342300 has 18 divisors (see below), whose sum is σ = 460783008. Its totient is φ = 84936880.

The previous prime is 212342293. The next prime is 212342369. The reversal of 212342300 is 3243212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1061612 + ... + 1061811.

It is an arithmetic number, because the mean of its divisors is an integer number (25599056).

Almost surely, 2^212342300 is an apocalyptic number.

212342300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212342300 is an abundant number, since it is smaller than the sum of its proper divisors (248440708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212342300 is a wasteful number, since it uses less digits than its factorization.

212342300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123437 (or 2123430 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 212342300 is about 14571.9696678246. The cubic root of 212342300 is about 596.5939419424.

Adding to 212342300 its reverse (3243212), we get a palindrome (215585512).

The spelling of 212342300 in words is "two hundred twelve million, three hundred forty-two thousand, three hundred".