Base | Representation |
---|---|
bin | 10110011010000111… |
… | …01001011110110100 |
3 | 1011001101222111200120 |
4 | 23031003221132310 |
5 | 144114214021322 |
6 | 5305425211540 |
7 | 604056120213 |
oct | 131503513664 |
9 | 34041874616 |
10 | 12030220212 |
11 | 511382255a |
12 | 23b8a90bb0 |
13 | 11994b5aca |
14 | 821a4707a |
15 | 4a623ea5c |
hex | 2cd0e97b4 |
12030220212 has 12 divisors (see below), whose sum is σ = 28070513856. Its totient is φ = 4010073400.
The previous prime is 12030220199. The next prime is 12030220229. The reversal of 12030220212 is 21202203021.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 12030220191 and 12030220200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501259164 + ... + 501259187.
It is an arithmetic number, because the mean of its divisors is an integer number (2339209488).
Almost surely, 212030220212 is an apocalyptic number.
12030220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12030220212 is an abundant number, since it is smaller than the sum of its proper divisors (16040293644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12030220212 is a wasteful number, since it uses less digits than its factorization.
12030220212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1002518358 (or 1002518356 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 12030220212 its reverse (21202203021), we get a palindrome (33232423233).
The spelling of 12030220212 in words is "twelve billion, thirty million, two hundred twenty thousand, two hundred twelve".
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