Base | Representation |
---|---|
bin | 1011000111010111100100… |
… | …0000110011001101011010 |
3 | 1121021100002021212201001122 |
4 | 2301311321000303031122 |
5 | 3100213020311210020 |
6 | 41554203011245242 |
7 | 2400645013534256 |
oct | 261657100631532 |
9 | 47240067781048 |
10 | 12221212210010 |
11 | 3991a94760381 |
12 | 14546772a9822 |
13 | 6a85bc5945cb |
14 | 30371cd73266 |
15 | 162d7d75e125 |
hex | b1d7903335a |
12221212210010 has 32 divisors (see below), whose sum is σ = 22769169552000. Its totient is φ = 4717338454080.
The previous prime is 12221212209893. The next prime is 12221212210061. The reversal of 12221212210010 is 1001221212221.
12221212210010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10976960 + ... + 12038939.
It is an arithmetic number, because the mean of its divisors is an integer number (711536548500).
Almost surely, 212221212210010 is an apocalyptic number.
12221212210010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12221212210010 is a deficient number, since it is larger than the sum of its proper divisors (10547957341990).
12221212210010 is a wasteful number, since it uses less digits than its factorization.
12221212210010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23017766.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 12221212210010 its reverse (1001221212221), we get a palindrome (13222433422231).
The spelling of 12221212210010 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, ten".
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