Base | Representation |
---|---|
bin | 1011000111010110110001… |
… | …1111010101010100000010 |
3 | 1121021022112122112112022120 |
4 | 2301311230133111110002 |
5 | 3100212103020011320 |
6 | 41554130104145110 |
7 | 2400636552653355 |
oct | 261655437252402 |
9 | 47238478475276 |
10 | 12221002110210 |
11 | 39919970aa283 |
12 | 1454618a68196 |
13 | 6a8587bb21ba |
14 | 3036dd0c229c |
15 | 162d6a0ac440 |
hex | b1d6c7d5502 |
12221002110210 has 128 divisors (see below), whose sum is σ = 30233437159680. Its totient is φ = 3159252440064.
The previous prime is 12221002110199. The next prime is 12221002110211. The reversal of 12221002110210 is 1201120012221.
12221002110210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12221002110210.
It is not an unprimeable number, because it can be changed into a prime (12221002110211) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798385377 + ... + 798400683.
It is an arithmetic number, because the mean of its divisors is an integer number (236198727810).
Almost surely, 212221002110210 is an apocalyptic number.
12221002110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12221002110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15116718579840).
12221002110210 is an abundant number, since it is smaller than the sum of its proper divisors (18012435049470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12221002110210 is a wasteful number, since it uses less digits than its factorization.
12221002110210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17940.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 12221002110210 its reverse (1201120012221), we get a palindrome (13422122122431).
The spelling of 12221002110210 in words is "twelve trillion, two hundred twenty-one billion, two million, one hundred ten thousand, two hundred ten".
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