212012300 has 72 divisors (see below), whose sum is σ = 476636160. Its totient is φ = 81806400.

The previous prime is 212012299. The next prime is 212012351. The reversal of 212012300 is 3210212.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 371015 + ... + 371585.

Almost surely, 2^212012300 is an apocalyptic number.

212012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238318080).

212012300 is an abundant number, since it is smaller than the sum of its proper divisors (264623860).

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

212012300 is a wasteful number, since it uses less digits than its factorization.

212012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212012300 is about 14560.6421561688. The cubic root of 212012300 is about 596.2847272500.

Adding to 212012300 its reverse (3210212), we get a palindrome (215222512).

The spelling of 212012300 in words is "two hundred twelve million, twelve thousand, three hundred".