Base | Representation |
---|---|
bin | 1010111010100011111101… |
… | …0101011100001101011001 |
3 | 1120111022012100100220102011 |
4 | 2232220333111130031121 |
5 | 3033111430002211301 |
6 | 41305135320105521 |
7 | 2346025645101040 |
oct | 256507725341531 |
9 | 46438170326364 |
10 | 12001201210201 |
11 | 3907754237905 |
12 | 1419ab60052a1 |
13 | 690929518b58 |
14 | 2d6c0b345557 |
15 | 15c2a35e9a51 |
hex | aea3f55c359 |
12001201210201 has 4 divisors (see below), whose sum is σ = 13715658525952. Its totient is φ = 10286743894452.
The previous prime is 12001201210139. The next prime is 12001201210211. The reversal of 12001201210201 is 10201210210021.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12001201210201 - 219 = 12001200685913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12001201210211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857228657865 + ... + 857228657878.
It is an arithmetic number, because the mean of its divisors is an integer number (3428914631488).
Almost surely, 212001201210201 is an apocalyptic number.
It is an amenable number.
12001201210201 is a deficient number, since it is larger than the sum of its proper divisors (1714457315751).
12001201210201 is an equidigital number, since it uses as much as digits as its factorization.
12001201210201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1714457315750.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12001201210201 its reverse (10201210210021), we get a palindrome (22202411420222).
The spelling of 12001201210201 in words is "twelve trillion, one billion, two hundred one million, two hundred ten thousand, two hundred one".
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