Base | Representation |
---|---|
bin | 11110111000010111101… |
… | …111101001100001000100 |
3 | 21111212112122111220021000 |
4 | 132320113233221201010 |
5 | 234232041211223022 |
6 | 4302515045253300 |
7 | 306213630113043 |
oct | 36702757514104 |
9 | 7455478456230 |
10 | 2122112211012 |
11 | 748a8a024342 |
12 | 2a3343104230 |
13 | 125164223631 |
14 | 749d454055a |
15 | 3a30360d6ac |
hex | 1ee17be9844 |
2122112211012 has 24 divisors (see below), whose sum is σ = 5501772399200. Its totient is φ = 707370736968.
The previous prime is 2122112210993. The next prime is 2122112211119. The reversal of 2122112211012 is 2101122112212.
2122112211012 is a `hidden beast` number, since 212 + 211 + 221 + 10 + 12 = 666.
It is a super-3 number, since 3×21221122110123 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 9824593462 + ... + 9824593677.
Almost surely, 22122112211012 is an apocalyptic number.
It is an amenable number.
2122112211012 is an abundant number, since it is smaller than the sum of its proper divisors (3379660188188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122112211012 is a wasteful number, since it uses less digits than its factorization.
2122112211012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19649187152 (or 19649187144 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 2122112211012 its reverse (2101122112212), we get a palindrome (4223234323224).
The spelling of 2122112211012 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, two hundred eleven thousand, twelve".
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