212103323200 has 168 divisors, whose sum is σ = 551155433120. Its totient is φ = 80115609600.

The previous prime is 212103323153. The next prime is 212103323209. The reversal of 212103323200 is 2323301212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (212103323209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9504055 + ... + 9526345.

Almost surely, 2^212103323200 is an apocalyptic number.

212103323200 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 212103323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275577716560).

212103323200 is an abundant number, since it is smaller than the sum of its proper divisors (339052109920).

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

212103323200 is a wasteful number, since it uses less digits than its factorization.

212103323200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22645 (or 22630 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212103323200 its reverse (2323301212), we get a palindrome (214426624412).

The spelling of 212103323200 in words is "two hundred twelve billion, one hundred three million, three hundred twenty-three thousand, two hundred".