Base | Representation |
---|---|
bin | 10110101110011111… |
… | …11011010011011110 |
3 | 1011111022201202002111 |
4 | 23113033323103132 |
5 | 144442002223402 |
6 | 5334414144234 |
7 | 611233404013 |
oct | 132717732336 |
9 | 34438652074 |
10 | 12201211102 |
11 | 51a12a1543 |
12 | 24461b207a |
13 | 11c5a54152 |
14 | 83a63770a |
15 | 4b62689d7 |
hex | 2d73fb4de |
12201211102 has 4 divisors (see below), whose sum is σ = 18301816656. Its totient is φ = 6100605550.
The previous prime is 12201211007. The next prime is 12201211111. The reversal of 12201211102 is 20111210221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20111210221 = 1913 ⋅10512917.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3050302774 + ... + 3050302777.
It is an arithmetic number, because the mean of its divisors is an integer number (4575454164).
Almost surely, 212201211102 is an apocalyptic number.
12201211102 is a deficient number, since it is larger than the sum of its proper divisors (6100605554).
12201211102 is an equidigital number, since it uses as much as digits as its factorization.
12201211102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6100605553.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12201211102 its reverse (20111210221), we get a palindrome (32312421323).
The spelling of 12201211102 in words is "twelve billion, two hundred one million, two hundred eleven thousand, one hundred two".
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