212233021200 has 180 divisors, whose sum is σ = 756413621028. Its totient is φ = 55065830400.

The previous prime is 212233021193. The next prime is 212233021213. The reversal of 212233021200 is 2120332212.

212233021200 is a `hidden beast` number, since 2 + 122 + 330 + 212 + 0 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 4034282256 + 208198738944 = 63516^2 + 456288^2 .

It is a tau number, because it is divible by the number of its divisors (180).

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 35 ways as a sum of consecutive naturals, for example, 663471 + ... + 929870.

Almost surely, 2^212233021200 is an apocalyptic number.

212233021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212233021200 is an abundant number, since it is smaller than the sum of its proper divisors (544180599828).

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

212233021200 is a wasteful number, since it uses less digits than its factorization.

212233021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593402 (or 1593388 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212233021200 its reverse (2120332212), we get a palindrome (214353353412).

The spelling of 212233021200 in words is "two hundred twelve billion, two hundred thirty-three million, twenty-one thousand, two hundred".