Base | Representation |
---|---|
bin | 1011000111111100111000… |
… | …1100010000001011100100 |
3 | 1121022021221112101122120012 |
4 | 2301333032030100023210 |
5 | 3100344030142211322 |
6 | 42002541113225352 |
7 | 2401451211612350 |
oct | 261771614201344 |
9 | 47267845348505 |
10 | 12231231210212 |
11 | 3996266172533 |
12 | 14565b2702258 |
13 | 6a95281a50b1 |
14 | 303dcd840460 |
15 | 163268121ae2 |
hex | b1fce3102e4 |
12231231210212 has 24 divisors (see below), whose sum is σ = 25901430799104. Its totient is φ = 4933605866112.
The previous prime is 12231231210169. The next prime is 12231231210257. The reversal of 12231231210212 is 21201213213221.
It is a super-2 number, since 2×122312312102122 (a number of 27 digits) contains 22 as substring.
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, 12847931468 + ... + 12847932419.
It is an arithmetic number, because the mean of its divisors is an integer number (1079226283296).
Almost surely, 212231231210212 is an apocalyptic number.
It is an amenable number.
12231231210212 is an abundant number, since it is smaller than the sum of its proper divisors (13670199588892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231231210212 is a wasteful number, since it uses less digits than its factorization.
12231231210212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25695863915 (or 25695863913 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 12231231210212 its reverse (21201213213221), we get a palindrome (33432444423433).
The spelling of 12231231210212 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty-one million, two hundred ten thousand, two hundred twelve".
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