Base | Representation |
---|---|
bin | 1010111100010011011010… |
… | …1100011010111000011001 |
3 | 1120121011102111202020001220 |
4 | 2233010312230122320121 |
5 | 3034104213434311301 |
6 | 41331004245202253 |
7 | 2351135252151456 |
oct | 257046654327031 |
9 | 46534374666056 |
10 | 12031121010201 |
11 | 3919408183447 |
12 | 1423866100389 |
13 | 6936b70b0817 |
14 | 2d8448c7482d |
15 | 15ce55180936 |
hex | af136b1ae19 |
12031121010201 has 32 divisors (see below), whose sum is σ = 16092320025600. Its totient is φ = 7995390490560.
The previous prime is 12031121010173. The next prime is 12031121010241. The reversal of 12031121010201 is 10201012113021.
It is not a de Polignac number, because 12031121010201 - 214 = 12031120993817 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12031121010241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4313774515 + ... + 4313777303.
It is an arithmetic number, because the mean of its divisors is an integer number (502885000800).
Almost surely, 212031121010201 is an apocalyptic number.
It is an amenable number.
12031121010201 is a deficient number, since it is larger than the sum of its proper divisors (4061199015399).
12031121010201 is a wasteful number, since it uses less digits than its factorization.
12031121010201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6349.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 12031121010201 its reverse (10201012113021), we get a palindrome (22232133123222).
The spelling of 12031121010201 in words is "twelve trillion, thirty-one billion, one hundred twenty-one million, ten thousand, two hundred one".
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