Base | Representation |
---|---|
bin | 1011000001011110111011… |
… | …1010010101100100000101 |
3 | 1120220200010101010201021012 |
4 | 2300113232322111210011 |
5 | 3042033441404341401 |
6 | 41435522505532005 |
7 | 2360435435533241 |
oct | 260275672254405 |
9 | 46820111121235 |
10 | 12120111012101 |
11 | 3953123771a64 |
12 | 1438b607a4005 |
13 | 69bbc98a4b91 |
14 | 2dc88b981421 |
15 | 160412a038bb |
hex | b05eee95905 |
12120111012101 has 16 divisors (see below), whose sum is σ = 12516232396800. Its totient is φ = 11724312826800.
The previous prime is 12120111012091. The next prime is 12120111012173. The reversal of 12120111012101 is 10121011102121.
12120111012101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12120111012101 - 226 = 12120043903237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12120111011101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1481853230 + ... + 1481861408.
It is an arithmetic number, because the mean of its divisors is an integer number (782264524800).
Almost surely, 212120111012101 is an apocalyptic number.
It is an amenable number.
12120111012101 is a deficient number, since it is larger than the sum of its proper divisors (396121384699).
12120111012101 is an equidigital number, since it uses as much as digits as its factorization.
12120111012101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22040.
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 12120111012101 its reverse (10121011102121), we get a palindrome (22241122114222).
The spelling of 12120111012101 in words is "twelve trillion, one hundred twenty billion, one hundred eleven million, twelve thousand, one hundred one".
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