Base | Representation |
---|---|
bin | 1011000110001100010011… |
… | …1111111101100100001110 |
3 | 1121012101221112001000010210 |
4 | 2301203010333331210032 |
5 | 3044400133112102342 |
6 | 41541022335343250 |
7 | 2366331312503505 |
oct | 261430477754416 |
9 | 47171845030123 |
10 | 12201012222222 |
11 | 398446935759a |
12 | 145077a381b26 |
13 | 6a6720638105 |
14 | 3027642ad83c |
15 | 16259a18c79c |
hex | b18c4ffd90e |
12201012222222 has 8 divisors (see below), whose sum is σ = 24402024444456. Its totient is φ = 4067004074072.
The previous prime is 12201012222199. The next prime is 12201012222239. The reversal of 12201012222222 is 22222221010221.
It is a sphenic number, since it is the product of 3 distinct primes.
12201012222222 is an admirable number.
It is a congruent number.
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, 1016751018513 + ... + 1016751018524.
It is an arithmetic number, because the mean of its divisors is an integer number (3050253055557).
Almost surely, 212201012222222 is an apocalyptic number.
12201012222222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201012222222 is a wasteful number, since it uses less digits than its factorization.
12201012222222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2033502037042.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 12201012222222 its reverse (22222221010221), we get a palindrome (34423233232443).
The spelling of 12201012222222 in words is "twelve trillion, two hundred one billion, twelve million, two hundred twenty-two thousand, two hundred twenty-two".
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