Base | Representation |
---|---|
bin | 10110100011101000… |
… | …11001111000000100 |
3 | 1011020222022100011110 |
4 | 23101310121320010 |
5 | 144300142011322 |
6 | 5321401405020 |
7 | 606046144524 |
oct | 132164317004 |
9 | 34228270143 |
10 | 12110110212 |
11 | 5154929052 |
12 | 241b799770 |
13 | 11acc080b5 |
14 | 82c4c1684 |
15 | 4ad270c0c |
hex | 2d1d19e04 |
12110110212 has 24 divisors (see below), whose sum is σ = 29020625536. Its totient is φ = 3927603168.
The previous prime is 12110110211. The next prime is 12110110279. The reversal of 12110110212 is 21201101121.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (12110110211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13637068 + ... + 13637955.
Almost surely, 212110110212 is an apocalyptic number.
12110110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12110110212 is an abundant number, since it is smaller than the sum of its proper divisors (16910515324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12110110212 is a wasteful number, since it uses less digits than its factorization.
12110110212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27275067 (or 27275065 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 12110110212 its reverse (21201101121), we get a palindrome (33311211333).
Subtracting 12110110212 from its reverse (21201101121), we obtain a palindrome (9090990909).
The spelling of 12110110212 in words is "twelve billion, one hundred ten million, one hundred ten thousand, two hundred twelve".
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