Base | Representation |
---|---|
bin | 10110100101000011… |
… | …10100000110101011 |
3 | 1011021210201010021001 |
4 | 23102201310012223 |
5 | 144311213422443 |
6 | 5322504455431 |
7 | 606252264022 |
oct | 132241640653 |
9 | 34253633231 |
10 | 12122014123 |
11 | 516061969a |
12 | 242377a577 |
13 | 11b251542b |
14 | 82dcdd8b9 |
15 | 4ae322d4d |
hex | 2d28741ab |
12122014123 has 16 divisors (see below), whose sum is σ = 12769048800. Its totient is φ = 11490958080.
The previous prime is 12122014019. The next prime is 12122014133. The reversal of 12122014123 is 32141022121.
It is a cyclic number.
It is not a de Polignac number, because 12122014123 - 29 = 12122013611 is a prime.
It is a super-2 number, since 2×121220141232 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12122014123.
It is not an unprimeable number, because it can be changed into a prime (12122014133) 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, 1000540 + ... + 1012582.
It is an arithmetic number, because the mean of its divisors is an integer number (798065550).
Almost surely, 212122014123 is an apocalyptic number.
12122014123 is a deficient number, since it is larger than the sum of its proper divisors (647034677).
12122014123 is a wasteful number, since it uses less digits than its factorization.
12122014123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12702.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 12122014123 its reverse (32141022121), we get a palindrome (44263036244).
The spelling of 12122014123 in words is "twelve billion, one hundred twenty-two million, fourteen thousand, one hundred twenty-three".
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