Base | Representation |
---|---|
bin | 111000111010011100… |
… | …0011000010111010001 |
3 | 102200110201112101001220 |
4 | 1301310320120113101 |
5 | 4000301311134301 |
6 | 132051435115253 |
7 | 11554504016265 |
oct | 1616470302721 |
9 | 380421471056 |
10 | 122220021201 |
11 | 47919019993 |
12 | 1b82b2a2b29 |
13 | b6aa108995 |
14 | 5cb61160a5 |
15 | 32a4d29936 |
hex | 1c74e185d1 |
122220021201 has 8 divisors (see below), whose sum is σ = 166427263104. Its totient is φ = 79746396720.
The previous prime is 122220021071. The next prime is 122220021211. The reversal of 122220021201 is 102120022221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 122220021201 - 213 = 122220013009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122220021211) 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, 433404190 + ... + 433404471.
It is an arithmetic number, because the mean of its divisors is an integer number (20803407888).
Almost surely, 2122220021201 is an apocalyptic number.
It is an amenable number.
122220021201 is a deficient number, since it is larger than the sum of its proper divisors (44207241903).
122220021201 is an equidigital number, since it uses as much as digits as its factorization.
122220021201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 866808711.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 122220021201 its reverse (102120022221), we get a palindrome (224340043422).
The spelling of 122220021201 in words is "one hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred one".
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