Base | Representation |
---|---|
bin | 10001101000110001100… |
… | …011010110111110101111 |
3 | 11021212102012122112212102 |
4 | 101220301203112332233 |
5 | 124324200101131343 |
6 | 2324442442125315 |
7 | 153364535060606 |
oct | 21506143267657 |
9 | 4255365575772 |
10 | 1212012130223 |
11 | 428014283344 |
12 | 176a904b083b |
13 | 8a3a510887b |
14 | 429399c2a3d |
15 | 217d95553b8 |
hex | 11a318d6faf |
1212012130223 has 8 divisors (see below), whose sum is σ = 1275813523200. Its totient is φ = 1148211865368.
The previous prime is 1212012130171. The next prime is 1212012130243. The reversal of 1212012130223 is 3220312102121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1212012130223 - 218 = 1212011868079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212012130195 and 1212012130204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212012130243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2770490 + ... + 3177992.
It is an arithmetic number, because the mean of its divisors is an integer number (159476690400).
Almost surely, 21212012130223 is an apocalyptic number.
1212012130223 is a deficient number, since it is larger than the sum of its proper divisors (63801392977).
1212012130223 is a wasteful number, since it uses less digits than its factorization.
1212012130223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564061.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1212012130223 its reverse (3220312102121), we get a palindrome (4432324232344).
The spelling of 1212012130223 in words is "one trillion, two hundred twelve billion, twelve million, one hundred thirty thousand, two hundred twenty-three".
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