Base | Representation |
---|---|
bin | 1110100010111… |
… | …00001000111111 |
3 | 22111120212022020 |
4 | 13101130020333 |
5 | 222213342343 |
6 | 20035051223 |
7 | 3011041524 |
oct | 721341077 |
9 | 274525266 |
10 | 122012223 |
11 | 62966653 |
12 | 34a40b13 |
13 | 1c37caa8 |
14 | 122c114b |
15 | aaa1b83 |
hex | 745c23f |
122012223 has 8 divisors (see below), whose sum is σ = 162769200. Its totient is φ = 81298368.
The previous prime is 122012197. The next prime is 122012257. The reversal of 122012223 is 322210221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122012223 - 212 = 122008127 is a prime.
It is a super-2 number, since 2×1220122232 = 29773965122803458, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122012123) 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, 3468 + ... + 16001.
It is an arithmetic number, because the mean of its divisors is an integer number (20346150).
Almost surely, 2122012223 is an apocalyptic number.
122012223 is a deficient number, since it is larger than the sum of its proper divisors (40756977).
122012223 is a wasteful number, since it uses less digits than its factorization.
122012223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21561.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 122012223 is about 11045.9143125411. The cubic root of 122012223 is about 495.9841292507.
Adding to 122012223 its reverse (322210221), we get a palindrome (444222444).
The spelling of 122012223 in words is "one hundred twenty-two million, twelve thousand, two hundred twenty-three".
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