212331300 has 72 divisors (see below), whose sum is σ = 619293696. Its totient is φ = 56165760.

The previous prime is 212331293. The next prime is 212331313. The reversal of 212331300 is 3133212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212331300.

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, 35314 + ... + 40886.

Almost surely, 2^212331300 is an apocalyptic number.

212331300 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 212331300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309646848).

212331300 is an abundant number, since it is smaller than the sum of its proper divisors (406962396).

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

212331300 is a wasteful number, since it uses less digits than its factorization.

212331300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212331300 is about 14571.5922259717. The cubic root of 212331300 is about 596.5836399494.

Adding to 212331300 its reverse (3133212), we get a palindrome (215464512).

The spelling of 212331300 in words is "two hundred twelve million, three hundred thirty-one thousand, three hundred".