Base | Representation |
---|---|
bin | 1010111011101110001000… |
… | …0011101001011100010001 |
3 | 1120120012120220100011100112 |
4 | 2232323202003221130101 |
5 | 3033423213420214301 |
6 | 41322231110131105 |
7 | 2350332224266346 |
oct | 256734203513421 |
9 | 46505526304315 |
10 | 12021111101201 |
11 | 3915140910684 |
12 | 1421931950a95 |
13 | 692780334047 |
14 | 2d7b796927cd |
15 | 15ca6b4b69bb |
hex | aeee20e9711 |
12021111101201 has 2 divisors, whose sum is σ = 12021111101202. Its totient is φ = 12021111101200.
The previous prime is 12021111101173. The next prime is 12021111101239. The reversal of 12021111101201 is 10210111112021.
12021111101201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7564705660801 + 4456405440400 = 2750401^2 + 2111020^2 .
It is an emirp because it is prime and its reverse (10210111112021) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12021111101201 is a prime.
It is a super-2 number, since 2×120211111012012 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12021111101501) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010555550600 + 6010555550601.
It is an arithmetic number, because the mean of its divisors is an integer number (6010555550601).
Almost surely, 212021111101201 is an apocalyptic number.
It is an amenable number.
12021111101201 is a deficient number, since it is larger than the sum of its proper divisors (1).
12021111101201 is an equidigital number, since it uses as much as digits as its factorization.
12021111101201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 14.
Adding to 12021111101201 its reverse (10210111112021), we get a palindrome (22231222213222).
The spelling of 12021111101201 in words is "twelve trillion, twenty-one billion, one hundred eleven million, one hundred one thousand, two hundred one".
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