Base | Representation |
---|---|
bin | 1010111010100100000001… |
… | …1101111011000110011100 |
3 | 1120111022020200010020202011 |
4 | 2232221000131323012130 |
5 | 3033111444333223400 |
6 | 41305141235241004 |
7 | 2346026265436201 |
oct | 256510035730634 |
9 | 46438220106664 |
10 | 12001220211100 |
11 | 3907763a3552a |
12 | 1419b00449164 |
13 | 69093043c5a3 |
14 | 2d6c0da8dca8 |
15 | 15c2a50ee8ba |
hex | aea4077b19c |
12001220211100 has 36 divisors (see below), whose sum is σ = 26065715107600. Its totient is φ = 4796236056960.
The previous prime is 12001220211091. The next prime is 12001220211107. The reversal of 12001220211100 is 111202210021.
12001220211100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12001220211107) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53036880 + ... + 53262679.
Almost surely, 212001220211100 is an apocalyptic number.
12001220211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12001220211100 is an abundant number, since it is smaller than the sum of its proper divisors (14064494896500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12001220211100 is a wasteful number, since it uses less digits than its factorization.
12001220211100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106300702 (or 106300695 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12001220211100 its reverse (111202210021), we get a palindrome (12112422421121).
The spelling of 12001220211100 in words is "twelve trillion, one billion, two hundred twenty million, two hundred eleven thousand, one hundred".
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