Base | Representation |
---|---|
bin | 10110110000101111… |
… | …01011010111101001 |
3 | 1011112122010100022210 |
4 | 23120113223113221 |
5 | 200011311121301 |
6 | 5340325235333 |
7 | 611552313024 |
oct | 133027532751 |
9 | 34478110283 |
10 | 12220020201 |
11 | 5200979054 |
12 | 2450562b49 |
13 | 11c990b4ac |
14 | 83cd321bb |
15 | 4b7c31ad6 |
hex | 2d85eb5e9 |
12220020201 has 16 divisors (see below), whose sum is σ = 16521232896. Its totient is φ = 8032807296.
The previous prime is 12220020191. The next prime is 12220020217. The reversal of 12220020201 is 10202002221.
It is not a de Polignac number, because 12220020201 - 231 = 10072536553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12220020251) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162696 + ... + 1173158.
It is an arithmetic number, because the mean of its divisors is an integer number (1032577056).
Almost surely, 212220020201 is an apocalyptic number.
It is an amenable number.
12220020201 is a deficient number, since it is larger than the sum of its proper divisors (4301212695).
12220020201 is a wasteful number, since it uses less digits than its factorization.
12220020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15872.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 12220020201 its reverse (10202002221), we get a palindrome (22422022422).
The spelling of 12220020201 in words is "twelve billion, two hundred twenty million, twenty thousand, two hundred one".
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