Base | Representation |
---|---|
bin | 110000011100… |
… | …111000011100 |
3 | 212220021210021 |
4 | 300130320130 |
5 | 11222414322 |
6 | 1132121524 |
7 | 212646526 |
oct | 60347034 |
9 | 25807707 |
10 | 12701212 |
11 | 7195677 |
12 | 43062a4 |
13 | 2829214 |
14 | 1988a16 |
15 | 11ad4c7 |
hex | c1ce1c |
12701212 has 12 divisors (see below), whose sum is σ = 22828120. Its totient is φ = 6178896.
The previous prime is 12701209. The next prime is 12701251. The reversal of 12701212 is 21210721.
It is a super-2 number, since 2×127012122 = 322641572537888, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42762 + ... + 43057.
Almost surely, 212701212 is an apocalyptic number.
It is an amenable number.
12701212 is a deficient number, since it is larger than the sum of its proper divisors (10126908).
12701212 is a wasteful number, since it uses less digits than its factorization.
12701212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85860 (or 85858 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 16.
The square root of 12701212 is about 3563.8759798848. The cubic root of 12701212 is about 233.3180770070.
Adding to 12701212 its reverse (21210721), we get a palindrome (33911933).
The spelling of 12701212 in words is "twelve million, seven hundred one thousand, two hundred twelve".
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