212032200321 has 12 divisors (see below), whose sum is σ = 313738703460. Its totient is φ = 137907121920.

The previous prime is 212032200319. The next prime is 212032200353. The reversal of 212032200321 is 123002230212.

212032200321 is a `hidden beast` number, since 2 + 1 + 20 + 322 + 0 + 0 + 321 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27785222721 + 184246977600 = 166689^2 + 429240^2 .

It is not a de Polignac number, because 212032200321 - 2¹ = 212032200319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212032200294 and 212032200303.

It is not an unprimeable number, because it can be changed into a prime (212032000321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287306136 + ... + 287306873.

It is an arithmetic number, because the mean of its divisors is an integer number (26144891955).

Almost surely, 2^212032200321 is an apocalyptic number.

It is an amenable number.

212032200321 is a deficient number, since it is larger than the sum of its proper divisors (101706503139).

212032200321 is a wasteful number, since it uses less digits than its factorization.

212032200321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574613056 (or 574613053 counting only the distinct ones).

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

Adding to 212032200321 its reverse (123002230212), we get a palindrome (335034430533).

The spelling of 212032200321 in words is "two hundred twelve billion, thirty-two million, two hundred thousand, three hundred twenty-one".