Base | Representation |
---|---|
bin | 10001011101110010101… |
… | …100010111110100101011 |
3 | 11020201222101212212022020 |
4 | 101131302230113310223 |
5 | 124131022322010443 |
6 | 2315212402155523 |
7 | 152466400415346 |
oct | 21356254276453 |
9 | 4221871785266 |
10 | 1200220110123 |
11 | 423012a65091 |
12 | 17473b352ba3 |
13 | 89246093598 |
14 | 4213b86345d |
15 | 213491b8583 |
hex | 11772b17d2b |
1200220110123 has 8 divisors (see below), whose sum is σ = 1600462450128. Its totient is φ = 800062255104.
The previous prime is 1200220110107. The next prime is 1200220110161. The reversal of 1200220110123 is 3210110220021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1200220110123 - 24 = 1200220110107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1200220110163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21088090 + ... + 21144927.
It is an arithmetic number, because the mean of its divisors is an integer number (200057806266).
Almost surely, 21200220110123 is an apocalyptic number.
1200220110123 is a deficient number, since it is larger than the sum of its proper divisors (400242340005).
1200220110123 is an equidigital number, since it uses as much as digits as its factorization.
1200220110123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42242493.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 1200220110123 its reverse (3210110220021), we get a palindrome (4410330330144).
The spelling of 1200220110123 in words is "one trillion, two hundred billion, two hundred twenty million, one hundred ten thousand, one hundred twenty-three".
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