213222132310330 has 96 divisors (see below), whose sum is σ = 455953734350352. Its totient is φ = 71312684636160.

The previous prime is 213222132310321. The next prime is 213222132310331. The reversal of 213222132310330 is 33013231222312.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 12693394202841 + 200528738107489 = 3562779^2 + 14160817^2 .

It is not an unprimeable number, because it can be changed into a prime (213222132310331) 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 47 ways as a sum of consecutive naturals, for example, 20110527 + ... + 28824946.

Almost surely, 2^{213222132310330} is an apocalyptic number.

213222132310330 is an abundant number, since it is smaller than the sum of its proper divisors (242731602040022).

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

213222132310330 is a wasteful number, since it uses less digits than its factorization.

213222132310330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48935792 (or 48935781 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 213222132310330 its reverse (33013231222312), we get a palindrome (246235363532642).

The spelling of 213222132310330 in words is "two hundred thirteen trillion, two hundred twenty-two billion, one hundred thirty-two million, three hundred ten thousand, three hundred thirty".