213210300 has 72 divisors (see below), whose sum is σ = 619849216. Its totient is φ = 56583360.

The previous prime is 213210289. The next prime is 213210313. The reversal of 213210300 is 3012312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65307 + ... + 68493.

Almost surely, 2^213210300 is an apocalyptic number.

213210300 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 213210300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309924608).

213210300 is an abundant number, since it is smaller than the sum of its proper divisors (406638916).

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

213210300 is a wasteful number, since it uses less digits than its factorization.

213210300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 213210300 is about 14601.7225011298. The cubic root of 213210300 is about 597.4057436677.

Adding to 213210300 its reverse (3012312), we get a palindrome (216222612).

The spelling of 213210300 in words is "two hundred thirteen million, two hundred ten thousand, three hundred".