Base | Representation |
---|---|
bin | 1011000111011010110111… |
… | …1111010110001000010010 |
3 | 1121021102101020022222210200 |
4 | 2301312231333112020102 |
5 | 3100221330330134302 |
6 | 41554431121440030 |
7 | 2401006025362452 |
oct | 261665577261022 |
9 | 47242336288720 |
10 | 12222101021202 |
11 | 3992400440386 |
12 | 1454884aa0016 |
13 | 6a87017712a7 |
14 | 3037a5019d62 |
15 | 162dd17ca81c |
hex | b1dadfd6212 |
12222101021202 has 96 divisors (see below), whose sum is σ = 27811152285696. Its totient is φ = 3871733580000.
The previous prime is 12222101021197. The next prime is 12222101021261. The reversal of 12222101021202 is 20212010122221.
It is a happy number.
12222101021202 is a `hidden beast` number, since 1 + 222 + 210 + 10 + 21 + 202 = 666.
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 47 ways as a sum of consecutive naturals, for example, 219356127 + ... + 219411837.
It is an arithmetic number, because the mean of its divisors is an integer number (289699502976).
Almost surely, 212222101021202 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12222101021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13905576142848).
12222101021202 is an abundant number, since it is smaller than the sum of its proper divisors (15589051264494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222101021202 is a wasteful number, since it uses less digits than its factorization.
12222101021202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59156 (or 59153 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12222101021202 its reverse (20212010122221), we get a palindrome (32434111143423).
The spelling of 12222101021202 in words is "twelve trillion, two hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred two".
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