Base | Representation |
---|---|
bin | 10001101000110110111… |
… | …011000010000110010110 |
3 | 11021212122111011200212102 |
4 | 101220312323002012112 |
5 | 124324341132102410 |
6 | 2324455421122102 |
7 | 153400010615534 |
oct | 21506673020626 |
9 | 4255574150772 |
10 | 1212102222230 |
11 | 428060117849 |
12 | 176ab66b9332 |
13 | 8a3ba990653 |
14 | 42947955154 |
15 | 217e23ee2a5 |
hex | 11a36ec2196 |
1212102222230 has 16 divisors (see below), whose sum is σ = 2188035536400. Its totient is φ = 483451658592.
The previous prime is 1212102222211. The next prime is 1212102222241. The reversal of 1212102222230 is 322222012121.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173650124 + ... + 173657103.
It is an arithmetic number, because the mean of its divisors is an integer number (136752221025).
Almost surely, 21212102222230 is an apocalyptic number.
1212102222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1212102222230 is a deficient number, since it is larger than the sum of its proper divisors (975933314170).
1212102222230 is a wasteful number, since it uses less digits than its factorization.
1212102222230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347307583.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 1212102222230 its reverse (322222012121), we get a palindrome (1534324234351).
The spelling of 1212102222230 in words is "one trillion, two hundred twelve billion, one hundred two million, two hundred twenty-two thousand, two hundred thirty".
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