213210132 has 24 divisors (see below), whose sum is σ = 510937056. Its totient is φ = 69149088.

The previous prime is 213210121. The next prime is 213210133. The reversal of 213210132 is 231012312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213210133) 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, 239658 + ... + 240545.

It is an arithmetic number, because the mean of its divisors is an integer number (21289044).

Almost surely, 2^213210132 is an apocalyptic number.

It is an amenable number.

213210132 is an abundant number, since it is smaller than the sum of its proper divisors (297726924).

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

213210132 is a wasteful number, since it uses less digits than its factorization.

213210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480247 (or 480245 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 213210132 is about 14601.7167483827. The cubic root of 213210132 is about 597.4055867582.

Adding to 213210132 its reverse (231012312), we get a palindrome (444222444).

The spelling of 213210132 in words is "two hundred thirteen million, two hundred ten thousand, one hundred thirty-two".