213232123330 has 16 divisors (see below), whose sum is σ = 391059668664. Its totient is φ = 83683550080.

The previous prime is 213232123301. The next prime is 213232123337. The reversal of 213232123330 is 33321232312.

It can be written as a sum of positive squares in 4 ways, for example, as 204427866769 + 8804256561 = 452137^2 + 93831^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213232123295 and 213232123304.

It is not an unprimeable number, because it can be changed into a prime (213232123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201161851 + ... + 201162910.

Almost surely, 2^213232123330 is an apocalyptic number.

213232123330 is a deficient number, since it is larger than the sum of its proper divisors (177827545334).

213232123330 is a wasteful number, since it uses less digits than its factorization.

213232123330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402324821.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213232123330 its reverse (33321232312), we get a palindrome (246553355642).

The spelling of 213232123330 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred twenty-three thousand, three hundred thirty".