Base | Representation |
---|---|
bin | 1011000000011011011101… |
… | …1110111101110110001001 |
3 | 1120211221101021101000011111 |
4 | 2300012313132331312021 |
5 | 3041234344303033001 |
6 | 41423325502130321 |
7 | 2356224605046406 |
oct | 260066736756611 |
9 | 46757337330144 |
10 | 12102001221001 |
11 | 394648021095a |
12 | 14355478809a1 |
13 | 69a2a19b3363 |
14 | 2dba507352ad |
15 | 15ec02bae851 |
hex | b01b77bdd89 |
12102001221001 has 8 divisors (see below), whose sum is σ = 12265855747200. Its totient is φ = 11938766183520.
The previous prime is 12102001220983. The next prime is 12102001221047. The reversal of 12102001221001 is 10012210020121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12102001221001 - 211 = 12102001218953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12102001221061) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154832845 + ... + 154910986.
It is an arithmetic number, because the mean of its divisors is an integer number (1533231968400).
Almost surely, 212102001221001 is an apocalyptic number.
It is an amenable number.
12102001221001 is a deficient number, since it is larger than the sum of its proper divisors (163854526199).
12102001221001 is an equidigital number, since it uses as much as digits as its factorization.
12102001221001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 309744359.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 12102001221001 its reverse (10012210020121), we get a palindrome (22114211241122).
The spelling of 12102001221001 in words is "twelve trillion, one hundred two billion, one million, two hundred twenty-one thousand, one".
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