212213443200 has 576 divisors, whose sum is σ = 774055323360. Its totient is φ = 50677760000.

The previous prime is 212213443193. The next prime is 212213443213. The reversal of 212213443200 is 2344312212.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1077225502 + ... + 1077225698.

Almost surely, 2^212213443200 is an apocalyptic number.

212213443200 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 212213443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387027661680).

212213443200 is an abundant number, since it is smaller than the sum of its proper divisors (561841880160).

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

212213443200 is a wasteful number, since it uses less digits than its factorization.

212213443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 212213443200 its reverse (2344312212), we get a palindrome (214557755412).

The spelling of 212213443200 in words is "two hundred twelve billion, two hundred thirteen million, four hundred forty-three thousand, two hundred".