Base | Representation |
---|---|
bin | 1011000110101111000001… |
… | …1101001000010010101011 |
3 | 1121020021222222101022020120 |
4 | 2301223300131020102223 |
5 | 3100023224243120321 |
6 | 41545203154054323 |
7 | 2400111250632552 |
oct | 261536035102253 |
9 | 47207888338216 |
10 | 12210331223211 |
11 | 398841071aa00 |
12 | 145253b27a3a3 |
13 | 6a7577209994 |
14 | 302da9c02d99 |
15 | 16294337cec6 |
hex | b1af07484ab |
12210331223211 has 24 divisors (see below), whose sum is σ = 17902285958592. Its totient is φ = 7397200522800.
The previous prime is 12210331223201. The next prime is 12210331223249. The reversal of 12210331223211 is 11232213301221.
It is not a de Polignac number, because 12210331223211 - 211 = 12210331221163 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12210331223201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5921925 + ... + 7712966.
It is an arithmetic number, because the mean of its divisors is an integer number (745928581608).
Almost surely, 212210331223211 is an apocalyptic number.
12210331223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12210331223211 is a deficient number, since it is larger than the sum of its proper divisors (5691954735381).
12210331223211 is a wasteful number, since it uses less digits than its factorization.
12210331223211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13637383 (or 13637372 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 12210331223211 its reverse (11232213301221), we get a palindrome (23442544524432).
The spelling of 12210331223211 in words is "twelve trillion, two hundred ten billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred eleven".
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