213132332232 has 96 divisors (see below), whose sum is σ = 583067035200. Its totient is φ = 70326672768.

The previous prime is 213132332201. The next prime is 213132332239. The reversal of 213132332232 is 232233231312.

213132332232 is a `hidden beast` number, since 2 + 1 + 313 + 23 + 322 + 3 + 2 = 666.

It is a super-2 number, since 2×213132332232² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 213132332196 and 213132332205.

It is not an unprimeable number, because it can be changed into a prime (213132332239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28570119 + ... + 28577577.

It is an arithmetic number, because the mean of its divisors is an integer number (6073614950).

Almost surely, 2^213132332232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213132332232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291533517600).

213132332232 is an abundant number, since it is smaller than the sum of its proper divisors (369934702968).

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

213132332232 is a wasteful number, since it uses less digits than its factorization.

213132332232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427 (or 11420 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 213132332232 its reverse (232233231312), we get a palindrome (445365563544).

The spelling of 213132332232 in words is "two hundred thirteen billion, one hundred thirty-two million, three hundred thirty-two thousand, two hundred thirty-two".