Base | Representation |
---|---|
bin | 10110101111100011… |
… | …00010011011101010 |
3 | 1011111221022101112120 |
4 | 23113301202123222 |
5 | 200001231201442 |
6 | 5335331052110 |
7 | 611401322064 |
oct | 132761423352 |
9 | 34457271476 |
10 | 12210022122 |
11 | 51a626a381 |
12 | 2449141036 |
13 | 11c781a77c |
14 | 83b88c734 |
15 | 4b6e094ec |
hex | 2d7c626ea |
12210022122 has 16 divisors (see below), whose sum is σ = 24423759360. Its totient is φ = 4069388192.
The previous prime is 12210022073. The next prime is 12210022127. The reversal of 12210022122 is 22122001221.
It is not an unprimeable number, because it can be changed into a prime (12210022127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111123 + ... + 191750.
It is an arithmetic number, because the mean of its divisors is an integer number (1526484960).
Almost surely, 212210022122 is an apocalyptic number.
12210022122 is an abundant number, since it is smaller than the sum of its proper divisors (12213737238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210022122 is a wasteful number, since it uses less digits than its factorization.
12210022122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309597.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12210022122 its reverse (22122001221), we get a palindrome (34332023343).
The spelling of 12210022122 in words is "twelve billion, two hundred ten million, twenty-two thousand, one hundred twenty-two".
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