Base | Representation |
---|---|
bin | 10110101110011000… |
… | …01001111000000100 |
3 | 1011111020212111120221 |
4 | 23113030021320010 |
5 | 144441224102322 |
6 | 5334341034124 |
7 | 611222114653 |
oct | 132714117004 |
9 | 34436774527 |
10 | 12200222212 |
11 | 51a0786582 |
12 | 24459b5944 |
13 | 11c5798cc9 |
14 | 83a45b19a |
15 | 4b61209c7 |
hex | 2d7309e04 |
12200222212 has 24 divisors (see below), whose sum is σ = 22752688896. Its totient is φ = 5710740288.
The previous prime is 12200222191. The next prime is 12200222233. The reversal of 12200222212 is 21222200221.
It is an interprime number because it is at equal distance from previous prime (12200222191) and next prime (12200222233).
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, 1406433 + ... + 1415080.
It is an arithmetic number, because the mean of its divisors is an integer number (948028704).
Almost surely, 212200222212 is an apocalyptic number.
It is an amenable number.
12200222212 is a deficient number, since it is larger than the sum of its proper divisors (10552466684).
12200222212 is a wasteful number, since it uses less digits than its factorization.
12200222212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2821587 (or 2821585 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 12200222212 its reverse (21222200221), we get a palindrome (33422422433).
The spelling of 12200222212 in words is "twelve billion, two hundred million, two hundred twenty-two thousand, two hundred twelve".
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