Base | Representation |
---|---|
bin | 101110001111… |
… | …100000001000 |
3 | 211210212102102 |
4 | 232033200020 |
5 | 11100401440 |
6 | 1111452532 |
7 | 205015313 |
oct | 56174010 |
9 | 24725372 |
10 | 12122120 |
11 | 692a58a |
12 | 4087148 |
13 | 268576a |
14 | 187797a |
15 | 10e6b15 |
hex | b8f808 |
12122120 has 16 divisors (see below), whose sum is σ = 27274860. Its totient is φ = 4848832.
The previous prime is 12122119. The next prime is 12122153. The reversal of 12122120 is 2122121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11600836 + 521284 = 3406^2 + 722^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151487 + ... + 151566.
Almost surely, 212122120 is an apocalyptic number.
12122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12122120 is an abundant number, since it is smaller than the sum of its proper divisors (15152740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12122120 is a wasteful number, since it uses less digits than its factorization.
12122120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 303064 (or 303060 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 11.
The square root of 12122120 is about 3481.6835008369. The cubic root of 12122120 is about 229.7168538386.
Adding to 12122120 its reverse (2122121), we get a palindrome (14244241).
Subtracting from 12122120 its reverse (2122121), we obtain a palindrome (9999999).
The spelling of 12122120 in words is "twelve million, one hundred twenty-two thousand, one hundred twenty".
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