Base | Representation |
---|---|
bin | 1011000110111001011011… |
… | …0111110000001011110011 |
3 | 1121020120012120000110002212 |
4 | 2301232112313300023303 |
5 | 3100044434021021321 |
6 | 41550344212202335 |
7 | 2400240402336524 |
oct | 261562667601363 |
9 | 47216176013085 |
10 | 12213123220211 |
11 | 3989613731641 |
12 | 1452b9a3093ab |
13 | 6a7900794304 |
14 | 30319294284b |
15 | 162a5853655b |
hex | b1b96df02f3 |
12213123220211 has 4 divisors (see below), whose sum is σ = 12607094937024. Its totient is φ = 11819151503400.
The previous prime is 12213123220187. The next prime is 12213123220217. The reversal of 12213123220211 is 11202232131221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12213123220211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12213123220217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196985858360 + ... + 196985858421.
It is an arithmetic number, because the mean of its divisors is an integer number (3151773734256).
Almost surely, 212213123220211 is an apocalyptic number.
12213123220211 is a deficient number, since it is larger than the sum of its proper divisors (393971716813).
12213123220211 is an equidigital number, since it uses as much as digits as its factorization.
12213123220211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393971716812.
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 12213123220211 its reverse (11202232131221), we get a palindrome (23415355351432).
The spelling of 12213123220211 in words is "twelve trillion, two hundred thirteen billion, one hundred twenty-three million, two hundred twenty thousand, two hundred eleven".
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