212210300 has 18 divisors (see below), whose sum is σ = 460496568. Its totient is φ = 84884080.

The previous prime is 212210293. The next prime is 212210309. The reversal of 212210300 is 3012212.

It is a happy number.

It is a super-2 number, since 2×212210300² = 90066422852180000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210309) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1060952 + ... + 1061151.

Almost surely, 2^212210300 is an apocalyptic number.

212210300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210300 is an abundant number, since it is smaller than the sum of its proper divisors (248286268).

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

212210300 is a wasteful number, since it uses less digits than its factorization.

212210300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122117 (or 2122110 counting only the distinct ones).

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

The square root of 212210300 is about 14567.4397201430. The cubic root of 212210300 is about 596.4702945359.

Adding to 212210300 its reverse (3012212), we get a palindrome (215222512).

The spelling of 212210300 in words is "two hundred twelve million, two hundred ten thousand, three hundred".