Base | Representation |
---|---|
bin | 10001101000111100110… |
… | …000110101011000101100 |
3 | 11021212220022120002120121 |
4 | 101220330300311120230 |
5 | 124330041223241022 |
6 | 2324513241254324 |
7 | 153402310536166 |
oct | 21507460653054 |
9 | 4255808502517 |
10 | 1212200212012 |
11 | 428100465a39 |
12 | 176b234943a4 |
13 | 8a40507c17a |
14 | 42956981936 |
15 | 217ead082c7 |
hex | 11a3cc3562c |
1212200212012 has 12 divisors (see below), whose sum is σ = 2213582996016. Its totient is φ = 579747927440.
The previous prime is 1212200212009. The next prime is 1212200212073. The reversal of 1212200212012 is 2102120022121.
It is a happy number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 6588044539 + ... + 6588044722.
It is an arithmetic number, because the mean of its divisors is an integer number (184465249668).
Almost surely, 21212200212012 is an apocalyptic number.
It is an amenable number.
1212200212012 is a deficient number, since it is larger than the sum of its proper divisors (1001382784004).
1212200212012 is a wasteful number, since it uses less digits than its factorization.
1212200212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13176089288 (or 13176089286 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1212200212012 its reverse (2102120022121), we get a palindrome (3314320234133).
The spelling of 1212200212012 in words is "one trillion, two hundred twelve billion, two hundred million, two hundred twelve thousand, twelve".
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