Base | Representation |
---|---|
bin | 1010111010100011111111… |
… | …1110100110101110110001 |
3 | 1120111022020002200010212211 |
4 | 2232220333332212232301 |
5 | 3033111440233014301 |
6 | 41305140343252121 |
7 | 2346026135603503 |
oct | 256507776465661 |
9 | 46438202603784 |
10 | 12001212001201 |
11 | 390775a338295 |
12 | 1419ab974a041 |
13 | 69092b826767 |
14 | 2d6c0c953d73 |
15 | 15c2a452c051 |
hex | aea3ffa6bb1 |
12001212001201 has 8 divisors (see below), whose sum is σ = 12098078879040. Its totient is φ = 11904661166352.
The previous prime is 12001212001187. The next prime is 12001212001241. The reversal of 12001212001201 is 10210021210021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12001212001201 - 25 = 12001212001169 is a prime.
It is a super-2 number, since 2×120012120012012 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12001212001241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78934495 + ... + 79086388.
It is an arithmetic number, because the mean of its divisors is an integer number (1512259859880).
Almost surely, 212001212001201 is an apocalyptic number.
It is an amenable number.
12001212001201 is a deficient number, since it is larger than the sum of its proper divisors (96866877839).
12001212001201 is a wasteful number, since it uses less digits than its factorization.
12001212001201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158021495.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12001212001201 its reverse (10210021210021), we get a palindrome (22211233211222).
The spelling of 12001212001201 in words is "twelve trillion, one billion, two hundred twelve million, one thousand, two hundred one".
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