Base | Representation |
---|---|
bin | 11011100100000000111001… |
… | …100101100010000000001111 |
3 | 120220012201111012000011220022 |
4 | 123210000321211202000033 |
5 | 111342100402003232343 |
6 | 1105452401412212355 |
7 | 34351003134150413 |
oct | 3344007145420017 |
9 | 526181435004808 |
10 | 121222123102223 |
11 | 35697017267460 |
12 | 117197ab90a0bb |
13 | 52842742085c0 |
14 | 21d1279820d43 |
15 | e033eb689568 |
hex | 6e403996200f |
121222123102223 has 32 divisors (see below), whose sum is σ = 148849177720320. Its totient is φ = 97143306099840.
The previous prime is 121222123102187. The next prime is 121222123102277. The reversal of 121222123102223 is 322201321222121.
It is not a de Polignac number, because 121222123102223 - 26 = 121222123102159 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121222123102192 and 121222123102201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121222123132223) 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 31 ways as a sum of consecutive naturals, for example, 28046513 + ... + 32078826.
It is an arithmetic number, because the mean of its divisors is an integer number (4651536803760).
Almost surely, 2121222123102223 is an apocalyptic number.
121222123102223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
121222123102223 is a deficient number, since it is larger than the sum of its proper divisors (27627054618097).
121222123102223 is a wasteful number, since it uses less digits than its factorization.
121222123102223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60125999.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 121222123102223 its reverse (322201321222121), we get a palindrome (443423444324344).
The spelling of 121222123102223 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, two hundred twenty-three".
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