Base | Representation |
---|---|
bin | 1011000111011111000101… |
… | …0110010101001010000000 |
3 | 1121021112021222210221220201 |
4 | 2301313301112111022000 |
5 | 3100231134131320000 |
6 | 41555135211414544 |
7 | 2401046030145235 |
oct | 261676126251200 |
9 | 47245258727821 |
10 | 12223231120000 |
11 | 399293034332a |
12 | 1454b3b454454 |
13 | 6a885192cbc4 |
14 | 30387115178c |
15 | 162e4ab0996a |
hex | b1df1595280 |
12223231120000 has 80 divisors (see below), whose sum is σ = 30428970120450. Its totient is φ = 4889292416000.
The previous prime is 12223231119989. The next prime is 12223231120007. The reversal of 12223231120000 is 2113232221.
It can be written as a sum of positive squares in 5 ways, for example, as 2608121641024 + 9615109478976 = 1614968^2 + 3100824^2 .
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 12223231120000.
It is not an unprimeable number, because it can be changed into a prime (12223231120007) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76315195 + ... + 76475194.
Almost surely, 212223231120000 is an apocalyptic number.
12223231120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12223231120000 is an abundant number, since it is smaller than the sum of its proper divisors (18205739000450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223231120000 is an frugal number, since it uses more digits than its factorization.
12223231120000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152790423 (or 152790396 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 12223231120000 its reverse (2113232221), we get a palindrome (12225344352221).
The spelling of 12223231120000 in words is "twelve trillion, two hundred twenty-three billion, two hundred thirty-one million, one hundred twenty thousand".
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