213302221332 has 12 divisors (see below), whose sum is σ = 497705183136. Its totient is φ = 71100740440.

The previous prime is 213302221331. The next prime is 213302221361. The reversal of 213302221332 is 233122203312.

213302221332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213302221331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8887592544 + ... + 8887592567.

It is an arithmetic number, because the mean of its divisors is an integer number (41475431928).

Almost surely, 2^213302221332 is an apocalyptic number.

It is an amenable number.

213302221332 is an abundant number, since it is smaller than the sum of its proper divisors (284402961804).

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

213302221332 is a wasteful number, since it uses less digits than its factorization.

213302221332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17775185118 (or 17775185116 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 213302221332 its reverse (233122203312), we get a palindrome (446424424644).

The spelling of 213302221332 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-one thousand, three hundred thirty-two".