| Base | Representation |
|---|---|
| bin | 1111110000101… |
| … | …10010111111100 |
| 3 | 100012210002001220 |
| 4 | 13320112113330 |
| 5 | 232321242340 |
| 6 | 21041433340 |
| 7 | 3163533240 |
| oct | 770262774 |
| 9 | 305702056 |
| 10 | 132212220 |
| 11 | 686a2aa8 |
| 12 | 3833b850 |
| 13 | 215116aa |
| 14 | 137b8420 |
| 15 | b918ed0 |
| hex | 7e165fc |
132212220 has 96 divisors (see below), whose sum is σ = 424639488. Its totient is φ = 30108672.
The previous prime is 132212209. The next prime is 132212233. The reversal of 132212220 is 22212231.
It is a happy number.
It is a super-2 number, since 2×1322122202 = 34960142234656800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 132212220.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181497 + ... + 182223.
It is an arithmetic number, because the mean of its divisors is an integer number (4423328).
Almost surely, 2132212220 is an apocalyptic number.
132212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 132212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212319744).
132212220 is an abundant number, since it is smaller than the sum of its proper divisors (292427268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
132212220 is a wasteful number, since it uses less digits than its factorization.
132212220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1179 (or 1177 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 132212220 is about 11498.3572739761. The cubic root of 132212220 is about 509.4370566621.
Adding to 132212220 its reverse (22212231), we get a palindrome (154424451).
The spelling of 132212220 in words is "one hundred thirty-two million, two hundred twelve thousand, two hundred twenty".
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