Base | Representation |
---|---|
bin | 10110100010100011… |
… | …01100101011111110 |
3 | 1011020100012010001212 |
4 | 23101101230223332 |
5 | 144240324342342 |
6 | 5320434404422 |
7 | 605605623005 |
oct | 132121545376 |
9 | 34210163055 |
10 | 12101012222 |
11 | 514a784652 |
12 | 2418730712 |
13 | 11ab070c80 |
14 | 82b1d3c3c |
15 | 4ac575182 |
hex | 2d146cafe |
12101012222 has 16 divisors (see below), whose sum is σ = 19550093472. Its totient is φ = 5584424160.
The previous prime is 12101012221. The next prime is 12101012251. The reversal of 12101012222 is 22221010121.
It is a junction number, because it is equal to n+sod(n) for n = 12101012197 and 12101012206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12101012221) by changing a digit.
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, 250472 + ... + 294852.
It is an arithmetic number, because the mean of its divisors is an integer number (1221880842).
Almost surely, 212101012222 is an apocalyptic number.
12101012222 is a deficient number, since it is larger than the sum of its proper divisors (7449081250).
12101012222 is a wasteful number, since it uses less digits than its factorization.
12101012222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54883.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 12101012222 its reverse (22221010121), we get a palindrome (34322022343).
The spelling of 12101012222 in words is "twelve billion, one hundred one million, twelve thousand, two hundred twenty-two".
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