Base | Representation |
---|---|
bin | 1011000111010011011101… |
… | …0100111110000110000100 |
3 | 1121021020020111020212012021 |
4 | 2301310313110332012010 |
5 | 3100203241202414340 |
6 | 41553501403332524 |
7 | 2400605502603535 |
oct | 261646724760604 |
9 | 47236214225167 |
10 | 12220110201220 |
11 | 39915796a3909 |
12 | 145440a221144 |
13 | 6a847518c4bc |
14 | 30365687068c |
15 | 162d16b2ce4a |
hex | b1d3753e184 |
12220110201220 has 12 divisors (see below), whose sum is σ = 25662231422604. Its totient is φ = 4888044080480.
The previous prime is 12220110201217. The next prime is 12220110201259. The reversal of 12220110201220 is 2210201102221.
It is a happy number.
12220110201220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 7430814306304 + 4789295894916 = 2725952^2 + 2188446^2 .
It is a super-2 number, since 2×122201102012202 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12220110201194 and 12220110201203.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305502755011 + ... + 305502755050.
It is an arithmetic number, because the mean of its divisors is an integer number (2138519285217).
Almost surely, 212220110201220 is an apocalyptic number.
12220110201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12220110201220 is an abundant number, since it is smaller than the sum of its proper divisors (13442121221384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220110201220 is a wasteful number, since it uses less digits than its factorization.
12220110201220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 611005510070 (or 611005510068 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12220110201220 its reverse (2210201102221), we get a palindrome (14430311303441).
The spelling of 12220110201220 in words is "twelve trillion, two hundred twenty billion, one hundred ten million, two hundred one thousand, two hundred twenty".
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