Base | Representation |
---|---|
bin | 1011000111011111000101… |
… | …0110101011011001110000 |
3 | 1121021112021222222120220112 |
4 | 2301313301112223121300 |
5 | 3100231134142223440 |
6 | 41555135213400452 |
7 | 2401046031005006 |
oct | 261676126533160 |
9 | 47245258876815 |
10 | 12223231211120 |
11 | 39929303a5836 |
12 | 1454b3b499128 |
13 | 6a8851962517 |
14 | 303871176a76 |
15 | 162e4ab26965 |
hex | b1df15ab670 |
12223231211120 has 160 divisors (see below), whose sum is σ = 30414618012480. Its totient is φ = 4554939432960.
The previous prime is 12223231211089. The next prime is 12223231211129. The reversal of 12223231211120 is 2111213232221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12223231211129) 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, 37230080 + ... + 37556960.
It is an arithmetic number, because the mean of its divisors is an integer number (190091362578).
Almost surely, 212223231211120 is an apocalyptic number.
12223231211120 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 12223231211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15207309006240).
12223231211120 is an abundant number, since it is smaller than the sum of its proper divisors (18191386801360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223231211120 is a wasteful number, since it uses less digits than its factorization.
12223231211120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327323 (or 327317 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
Adding to 12223231211120 its reverse (2111213232221), we get a palindrome (14334444443341).
The spelling of 12223231211120 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, two hundred eleven thousand, one hundred twenty".
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