Base | Representation |
---|---|
bin | 1011000111010011011011… |
… | …0110100001100101011000 |
3 | 1121021020012221020101011222 |
4 | 2301310312312201211120 |
5 | 3100203232132020440 |
6 | 41553500520311212 |
7 | 2400605345013164 |
oct | 261646666414530 |
9 | 47236187211158 |
10 | 12220102220120 |
11 | 3991575142563 |
12 | 1454407612508 |
13 | 6a8473626862 |
14 | 303655793ca4 |
15 | 162d160a32b5 |
hex | b1d36da1958 |
12220102220120 has 128 divisors (see below), whose sum is σ = 29233619668800. Its totient is φ = 4581413584896.
The previous prime is 12220102220119. The next prime is 12220102220129. The reversal of 12220102220120 is 2102220102221.
It is a happy number.
12220102220120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220102220129) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219627824 + ... + 219683456.
Almost surely, 212220102220120 is an apocalyptic number.
12220102220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12220102220120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14616809834400).
12220102220120 is an abundant number, since it is smaller than the sum of its proper divisors (17013517448680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220102220120 is a wasteful number, since it uses less digits than its factorization.
12220102220120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56997 (or 56993 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 12220102220120 its reverse (2102220102221), we get a palindrome (14322322322341).
The spelling of 12220102220120 in words is "twelve trillion, two hundred twenty billion, one hundred two million, two hundred twenty thousand, one hundred twenty".
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