Base | Representation |
---|---|
bin | 1011000110101101110011… |
… | …0101010010100001001000 |
3 | 1121020021011000220122200100 |
4 | 2301223130311102201020 |
5 | 3100022041003342412 |
6 | 41545110354005400 |
7 | 2400100142452023 |
oct | 261533465224110 |
9 | 47207130818610 |
10 | 12210002012232 |
11 | 3988261904912 |
12 | 1452468b76860 |
13 | 6a7523c5209b |
14 | 302d781c81ba |
15 | 1629244ededc |
hex | b1adcd52848 |
12210002012232 has 192 divisors, whose sum is σ = 34684863033600. Its totient is φ = 3877111987200.
The previous prime is 12210002012231. The next prime is 12210002012237. The reversal of 12210002012232 is 23221020001221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12210002012231) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19862508 + ... + 20468004.
It is an arithmetic number, because the mean of its divisors is an integer number (180650328300).
Almost surely, 212210002012232 is an apocalyptic number.
12210002012232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12210002012232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17342431516800).
12210002012232 is an abundant number, since it is smaller than the sum of its proper divisors (22474861021368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210002012232 is a wasteful number, since it uses less digits than its factorization.
12210002012232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 605716 (or 605709 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 12210002012232 its reverse (23221020001221), we get a palindrome (35431022013453).
The spelling of 12210002012232 in words is "twelve trillion, two hundred ten billion, two million, twelve thousand, two hundred thirty-two".
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