Base | Representation |
---|---|
bin | 110111111011111001… |
… | …0000101110001101001 |
3 | 102111001110021020100112 |
4 | 1233313302011301221 |
5 | 3432002013021301 |
6 | 131103302344105 |
7 | 11451500345033 |
oct | 1576762056151 |
9 | 374043236315 |
10 | 120121220201 |
11 | 46a4132a704 |
12 | 1b34442b035 |
13 | b43434a7b8 |
14 | 5b5749cc53 |
15 | 31d094c9bb |
hex | 1bf7c85c69 |
120121220201 has 8 divisors (see below), whose sum is σ = 126335649024. Its totient is φ = 114053013360.
The previous prime is 120121220179. The next prime is 120121220251. The reversal of 120121220201 is 102022121021.
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 120121220201 - 210 = 120121219177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (120121220251) 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, 36553811 + ... + 36557096.
It is an arithmetic number, because the mean of its divisors is an integer number (15791956128).
Almost surely, 2120121220201 is an apocalyptic number.
It is an amenable number.
120121220201 is a deficient number, since it is larger than the sum of its proper divisors (6214428823).
120121220201 is an equidigital number, since it uses as much as digits as its factorization.
120121220201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73110991.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 120121220201 its reverse (102022121021), we get a palindrome (222143341222).
The spelling of 120121220201 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twenty thousand, two hundred one".
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