212100132 has 48 divisors (see below), whose sum is σ = 509792192. Its totient is φ = 68584320.

The previous prime is 212100127. The next prime is 212100139. The reversal of 212100132 is 231001212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (212100139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239763 + ... + 240645.

Almost surely, 2^212100132 is an apocalyptic number.

It is an amenable number.

212100132 is an abundant number, since it is smaller than the sum of its proper divisors (297692060).

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

212100132 is a wasteful number, since it uses less digits than its factorization.

212100132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1466 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 212100132 is about 14563.6579196299. The cubic root of 212100132 is about 596.3670584001.

Adding to 212100132 its reverse (231001212), we get a palindrome (443101344).

The spelling of 212100132 in words is "two hundred twelve million, one hundred thousand, one hundred thirty-two".