212430300 has 144 divisors (see below), whose sum is σ = 679456512. Its totient is φ = 50969600.

The previous prime is 212430287. The next prime is 212430341. The reversal of 212430300 is 3034212.

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 212430300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116395 + ... + 118205.

It is an arithmetic number, because the mean of its divisors is an integer number (4718448).

Almost surely, 2^212430300 is an apocalyptic number.

212430300 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 212430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339728256).

212430300 is an abundant number, since it is smaller than the sum of its proper divisors (467026212).

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

212430300 is a wasteful number, since it uses less digits than its factorization.

212430300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1861 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212430300 is about 14574.9888507676. The cubic root of 212430300 is about 596.6763450812.

Adding to 212430300 its reverse (3034212), we get a palindrome (215464512).

The spelling of 212430300 in words is "two hundred twelve million, four hundred thirty thousand, three hundred".