Base | Representation |
---|---|
bin | 1011000111010111100100… |
… | …0000011011010010010110 |
3 | 1121021100002021200201122110 |
4 | 2301311321000123102112 |
5 | 3100213020300041042 |
6 | 41554203005211450 |
7 | 2400645012645504 |
oct | 261657100332226 |
9 | 47240067621573 |
10 | 12221212112022 |
11 | 3991a946a37a1 |
12 | 1454677260b86 |
13 | 6a85bc55bb24 |
14 | 30371cd49674 |
15 | 162d7d74009c |
hex | b1d7901b496 |
12221212112022 has 16 divisors (see below), whose sum is σ = 24903602040240. Its totient is φ = 3996874401312.
The previous prime is 12221212112003. The next prime is 12221212112029. The reversal of 12221212112022 is 22021121212221.
It is a self number, because there is not a number n which added to its sum of digits gives 12221212112022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12221212112029) 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, 19215741997 + ... + 19215742632.
It is an arithmetic number, because the mean of its divisors is an integer number (1556475127515).
Almost surely, 212221212112022 is an apocalyptic number.
12221212112022 is an abundant number, since it is smaller than the sum of its proper divisors (12682389928218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221212112022 is a wasteful number, since it uses less digits than its factorization.
12221212112022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38431484687.
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 12221212112022 its reverse (22021121212221), we get a palindrome (34242333324243).
The spelling of 12221212112022 in words is "twelve trillion, two hundred twenty-one billion, two hundred twelve million, one hundred twelve thousand, twenty-two".
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