212003223300 has 432 divisors, whose sum is σ = 735687912960. Its totient is φ = 50637312000.

The previous prime is 212003223287. The next prime is 212003223319. The reversal of 212003223300 is 3322300212.

It is a happy number.

212003223300 is a `hidden beast` number, since 2 + 12 + 0 + 0 + 322 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 240638860 + ... + 240639740.

It is an arithmetic number, because the mean of its divisors is an integer number (1702981280).

Almost surely, 2^212003223300 is an apocalyptic number.

212003223300 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 212003223300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367843956480).

212003223300 is an abundant number, since it is smaller than the sum of its proper divisors (523684689660).

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

212003223300 is a wasteful number, since it uses less digits than its factorization.

212003223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 212003223300 its reverse (3322300212), we get a palindrome (215325523512).

The spelling of 212003223300 in words is "two hundred twelve billion, three million, two hundred twenty-three thousand, three hundred".