Base | Representation |
---|---|
bin | 1011000111011011010100… |
… | …1010010000101111000001 |
3 | 1121021102200121200222010021 |
4 | 2301312311022100233001 |
5 | 3100222102124320301 |
6 | 41554451100133441 |
7 | 2401012016052241 |
oct | 261666512205701 |
9 | 47242617628107 |
10 | 12222221323201 |
11 | 399246233901a |
12 | 14548b9237281 |
13 | 6a87206727c6 |
14 | 3037b6db3b21 |
15 | 162ddc1408a1 |
hex | b1db5290bc1 |
12222221323201 has 8 divisors (see below), whose sum is σ = 12399559963520. Its totient is φ = 12045448357488.
The previous prime is 12222221323183. The next prime is 12222221323261. The reversal of 12222221323201 is 10232312222221.
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 12222221323201 - 219 = 12222220798913 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12222221323261) 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, 141375126 + ... + 141461551.
It is an arithmetic number, because the mean of its divisors is an integer number (1549944995440).
Almost surely, 212222221323201 is an apocalyptic number.
It is an amenable number.
12222221323201 is a deficient number, since it is larger than the sum of its proper divisors (177338640319).
12222221323201 is an equidigital number, since it uses as much as digits as its factorization.
12222221323201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282837303.
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 12222221323201 its reverse (10232312222221), we get a palindrome (22454533545422).
The spelling of 12222221323201 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred one".
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