212300312 has 32 divisors (see below), whose sum is σ = 458526720. Its totient is φ = 90266400.

The previous prime is 212300299. The next prime is 212300321. The reversal of 212300312 is 213003212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7814 + ... + 22037.

It is an arithmetic number, because the mean of its divisors is an integer number (14328960).

Almost surely, 2^212300312 is an apocalyptic number.

It is an amenable number.

212300312 is an abundant number, since it is smaller than the sum of its proper divisors (246226408).

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

212300312 is a wasteful number, since it uses less digits than its factorization.

212300312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29991 (or 29987 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 212300312 is about 14570.5288853905. The cubic root of 212300312 is about 596.5546163853.

Adding to 212300312 its reverse (213003212), we get a palindrome (425303524).

The spelling of 212300312 in words is "two hundred twelve million, three hundred thousand, three hundred twelve".