Base | Representation |
---|---|
bin | 1011000110001100101110… |
… | …0011100101000001111001 |
3 | 1121012102020012000120202002 |
4 | 2301203023203211001321 |
5 | 3044400344242102301 |
6 | 41541041305150345 |
7 | 2366334116465243 |
oct | 261431343450171 |
9 | 47172205016662 |
10 | 12201122222201 |
11 | 3984515459170 |
12 | 14507ab18b3b5 |
13 | 6a673a370463 |
14 | 302774b45093 |
15 | 1625a4b6a16b |
hex | b18cb8e5079 |
12201122222201 has 8 divisors (see below), whose sum is σ = 13315754623104. Its totient is φ = 11087396399920.
The previous prime is 12201122222143. The next prime is 12201122222207. The reversal of 12201122222201 is 10222222110221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12201122222201 - 210 = 12201122221177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12201122222207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226616510 + ... + 226670343.
It is an arithmetic number, because the mean of its divisors is an integer number (1664469327888).
Almost surely, 212201122222201 is an apocalyptic number.
12201122222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12201122222201 is a deficient number, since it is larger than the sum of its proper divisors (1114632400903).
12201122222201 is a wasteful number, since it uses less digits than its factorization.
12201122222201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453289311.
The product of its (nonzero) digits is 256, while the sum is 20.
Adding to 12201122222201 its reverse (10222222110221), we get a palindrome (22423344332422).
The spelling of 12201122222201 in words is "twelve trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred one".
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