Base | Representation |
---|---|
bin | 1011000110110101101000… |
… | …0000111100100011100001 |
3 | 1121020110120101211021010021 |
4 | 2301231122000330203201 |
5 | 3100040341132020001 |
6 | 41550055020433441 |
7 | 2400203164102525 |
oct | 261553200744341 |
9 | 47213511737107 |
10 | 12212102220001 |
11 | 398913a375012 |
12 | 14529543a8881 |
13 | 6a779a0b3688 |
14 | 3030d70c9d85 |
15 | 1629e8aa7ba1 |
hex | b1b5a03c8e1 |
12212102220001 has 4 divisors (see below), whose sum is σ = 12743063186112. Its totient is φ = 11681141253892.
The previous prime is 12212102219927. The next prime is 12212102220013. The reversal of 12212102220001 is 10002220121221.
It is a happy number.
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 12212102220001 - 217 = 12212102088929 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12212102220041) 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, 265480483021 + ... + 265480483066.
It is an arithmetic number, because the mean of its divisors is an integer number (3185765796528).
Almost surely, 212212102220001 is an apocalyptic number.
It is an amenable number.
12212102220001 is a deficient number, since it is larger than the sum of its proper divisors (530960966111).
12212102220001 is an equidigital number, since it uses as much as digits as its factorization.
12212102220001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530960966110.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 12212102220001 its reverse (10002220121221), we get a palindrome (22214322341222).
The spelling of 12212102220001 in words is "twelve trillion, two hundred twelve billion, one hundred two million, two hundred twenty thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •