212303323320 has 384 divisors, whose sum is σ = 709144934400. Its totient is φ = 50806103040.

The previous prime is 212303323273. The next prime is 212303323333. The reversal of 212303323320 is 23323303212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 560166891 + ... + 560167269.

It is an arithmetic number, because the mean of its divisors is an integer number (1846731600).

Almost surely, 2^212303323320 is an apocalyptic number.

212303323320 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 212303323320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354572467200).

212303323320 is an abundant number, since it is smaller than the sum of its proper divisors (496841611080).

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

212303323320 is a wasteful number, since it uses less digits than its factorization.

212303323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 212303323320 its reverse (23323303212), we get a palindrome (235626626532).

The spelling of 212303323320 in words is "two hundred twelve billion, three hundred three million, three hundred twenty-three thousand, three hundred twenty".