213232532052 has 24 divisors (see below), whose sum is σ = 497556880576. Its totient is φ = 71075467008.

The previous prime is 213232532047. The next prime is 213232532053. The reversal of 213232532052 is 250235232312.

It is a super-2 number, since 2×213232532052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213232532053) 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, 213753 + ... + 687135.

Almost surely, 2^213232532052 is an apocalyptic number.

It is an amenable number.

213232532052 is an abundant number, since it is smaller than the sum of its proper divisors (284324348524).

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

213232532052 is a wasteful number, since it uses less digits than its factorization.

213232532052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510927 (or 510925 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 213232532052 its reverse (250235232312), we get a palindrome (463467764364).

The spelling of 213232532052 in words is "two hundred thirteen billion, two hundred thirty-two million, five hundred thirty-two thousand, fifty-two".