213223312132 has 24 divisors (see below), whose sum is σ = 377990989376. Its totient is φ = 105232631328.

The previous prime is 213223312051. The next prime is 213223312139. The reversal of 213223312132 is 231213322312.

It is a junction number, because it is equal to n+sod(n) for n = 213223312097 and 213223312106.

It is not an unprimeable number, because it can be changed into a prime (213223312139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716403 + ... + 969370.

Almost surely, 2^213223312132 is an apocalyptic number.

It is an amenable number.

213223312132 is a deficient number, since it is larger than the sum of its proper divisors (164767677244).

213223312132 is a wasteful number, since it uses less digits than its factorization.

213223312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686187 (or 1686185 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 213223312132 its reverse (231213322312), we get a palindrome (444436634444).

The spelling of 213223312132 in words is "two hundred thirteen billion, two hundred twenty-three million, three hundred twelve thousand, one hundred thirty-two".