Base | Representation |
---|---|
bin | 10110101111101011… |
… | …01110011111111010 |
3 | 1011112000101011201020 |
4 | 23113311232133322 |
5 | 200002021320442 |
6 | 5335410403310 |
7 | 611413544205 |
oct | 132765563772 |
9 | 34460334636 |
10 | 12211120122 |
11 | 51a694a313 |
12 | 2449590536 |
13 | 11c7b13486 |
14 | 83ba9693c |
15 | 4b70749ec |
hex | 2d7d6e7fa |
12211120122 has 16 divisors (see below), whose sum is σ = 24426792480. Its totient is φ = 4069614672.
The previous prime is 12211120093. The next prime is 12211120151. The reversal of 12211120122 is 22102111221.
It is an interprime number because it is at equal distance from previous prime (12211120093) and next prime (12211120151).
It is a super-2 number, since 2×122111201222 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154297 + ... + 219612.
It is an arithmetic number, because the mean of its divisors is an integer number (1526674530).
Almost surely, 212211120122 is an apocalyptic number.
12211120122 is an abundant number, since it is smaller than the sum of its proper divisors (12215672358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12211120122 is a wasteful number, since it uses less digits than its factorization.
12211120122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 379357.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12211120122 its reverse (22102111221), we get a palindrome (34313231343).
It can be divided in two parts, 122111 and 20122, that multiplied together give a palindrome (2457117542).
The spelling of 12211120122 in words is "twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-two".
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