212224444572672 has 2112 divisors, whose sum is σ = 800118259200000. Its totient is φ = 53819333148672.

The previous prime is 212224444572659. The next prime is 212224444572793. The reversal of 212224444572672 is 276275444422212.

212224444572672 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 4 + 4 + 4 + 4 + 572 + 67 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 354297903829 + ... + 354297904427.

Almost surely, 2^{212224444572672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212224444572672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400059129600000).

212224444572672 is an abundant number, since it is smaller than the sum of its proper divisors (587893814627328).

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

212224444572672 is a wasteful number, since it uses less digits than its factorization.

212224444572672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 994 counting only the distinct ones).

The product of its digits is 24084480, while the sum is 54.

Adding to 212224444572672 its reverse (276275444422212), we get a palindrome (488499888994884).

The spelling of 212224444572672 in words is "two hundred twelve trillion, two hundred twenty-four billion, four hundred forty-four million, five hundred seventy-two thousand, six hundred seventy-two".