Base | Representation |
---|---|
bin | 10110010111111101… |
… | …00001111001100110 |
3 | 1011000010212222002212 |
4 | 23023332201321212 |
5 | 144100044214342 |
6 | 5303541003422 |
7 | 603446114162 |
oct | 131376417146 |
9 | 34003788085 |
10 | 12012101222 |
11 | 5104577490 |
12 | 23b29b3572 |
13 | 1195810904 |
14 | 81d48bca2 |
15 | 4a4861182 |
hex | 2cbfa1e66 |
12012101222 has 16 divisors (see below), whose sum is σ = 19658529792. Its totient is φ = 5459389320.
The previous prime is 12012101209. The next prime is 12012101237. The reversal of 12012101222 is 22210121021.
It is a junction number, because it is equal to n+sod(n) for n = 12012101197 and 12012101206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186923 + ... + 242825.
It is an arithmetic number, because the mean of its divisors is an integer number (1228658112).
Almost surely, 212012101222 is an apocalyptic number.
12012101222 is a deficient number, since it is larger than the sum of its proper divisors (7646428570).
12012101222 is a wasteful number, since it uses less digits than its factorization.
12012101222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65683.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12012101222 its reverse (22210121021), we get a palindrome (34222222243).
The spelling of 12012101222 in words is "twelve billion, twelve million, one hundred one thousand, two hundred twenty-two".
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