Base | Representation |
---|---|
bin | 10110101110011111… |
… | …11001001000101110 |
3 | 1011111022201021220121 |
4 | 23113033321020232 |
5 | 144442001432342 |
6 | 5334414035154 |
7 | 611233336066 |
oct | 132717711056 |
9 | 34438637817 |
10 | 12201202222 |
11 | 51a1295900 |
12 | 24461a8aba |
13 | 11c5a500b1 |
14 | 83a6343a6 |
15 | 4b6266067 |
hex | 2d73f922e |
12201202222 has 48 divisors (see below), whose sum is σ = 21382058880. Its totient is φ = 5202893520.
The previous prime is 12201202213. The next prime is 12201202231. The reversal of 12201202222 is 22220210221.
It is an interprime number because it is at equal distance from previous prime (12201202213) and next prime (12201202231).
It is a junction number, because it is equal to n+sod(n) for n = 12201202196 and 12201202205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460713 + ... + 486475.
It is an arithmetic number, because the mean of its divisors is an integer number (445459560).
Almost surely, 212201202222 is an apocalyptic number.
12201202222 is a deficient number, since it is larger than the sum of its proper divisors (9180856658).
12201202222 is a wasteful number, since it uses less digits than its factorization.
12201202222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25909 (or 25898 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 12201202222 its reverse (22220210221), we get a palindrome (34421412443).
The spelling of 12201202222 in words is "twelve billion, two hundred one million, two hundred two thousand, two hundred twenty-two".
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