Base | Representation |
---|---|
bin | 1011000110001111111111… |
… | …1111101101000001101101 |
3 | 1121012111111111111110000120 |
4 | 2301203333333231001231 |
5 | 3044404200003311341 |
6 | 41541304454115153 |
7 | 2366364661533012 |
oct | 261437777550155 |
9 | 47174444443016 |
10 | 12202002010221 |
11 | 3984927035a01 |
12 | 14509b594bab9 |
13 | 6a684a70b09a |
14 | 30281991d709 |
15 | 162607003066 |
hex | b18fffed06d |
12202002010221 has 4 divisors (see below), whose sum is σ = 16269336013632. Its totient is φ = 8134668006812.
The previous prime is 12202002010189. The next prime is 12202002010277. The reversal of 12202002010221 is 12201020020221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12202002010221 - 25 = 12202002010189 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12202002010221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202002010291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033667001701 + ... + 2033667001706.
It is an arithmetic number, because the mean of its divisors is an integer number (4067334003408).
Almost surely, 212202002010221 is an apocalyptic number.
It is an amenable number.
12202002010221 is a deficient number, since it is larger than the sum of its proper divisors (4067334003411).
12202002010221 is an equidigital number, since it uses as much as digits as its factorization.
12202002010221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4067334003410.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12202002010221 its reverse (12201020020221), we get a palindrome (24403022030442).
The spelling of 12202002010221 in words is "twelve trillion, two hundred two billion, two million, ten thousand, two hundred twenty-one".
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