213221021332230 has 192 divisors, whose sum is σ = 576024332083200. Its totient is φ = 54663704282880.

The previous prime is 213221021332217. The next prime is 213221021332307. The reversal of 213221021332230 is 32233120122312.

213221021332230 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 210 + 213 + 3 + 2 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213221021332194 and 213221021332203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 279011812 + ... + 279774968.

It is an arithmetic number, because the mean of its divisors is an integer number (3000126729600).

Almost surely, 2^{213221021332230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213221021332230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288012166041600).

213221021332230 is an abundant number, since it is smaller than the sum of its proper divisors (362803310750970).

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

213221021332230 is a wasteful number, since it uses less digits than its factorization.

213221021332230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763859 (or 763856 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 213221021332230 its reverse (32233120122312), we get a palindrome (245454141454542).

The spelling of 213221021332230 in words is "two hundred thirteen trillion, two hundred twenty-one billion, twenty-one million, three hundred thirty-two thousand, two hundred thirty".