Base | Representation |
---|---|
bin | 10001110010001011100… |
… | …011011000011011101001 |
3 | 11022211111002101010021121 |
4 | 101302023203120123221 |
5 | 130010341134121301 |
6 | 2333232553535241 |
7 | 154203034526152 |
oct | 21621343303351 |
9 | 4284432333247 |
10 | 1222112020201 |
11 | 431327414156 |
12 | 178a2aa14521 |
13 | 8b3246cb727 |
14 | 43217108929 |
15 | 21bcb0953a1 |
hex | 11c8b8d86e9 |
1222112020201 has 4 divisors (see below), whose sum is σ = 1222225200000. Its totient is φ = 1221998840404.
The previous prime is 1222112020139. The next prime is 1222112020343. The reversal of 1222112020201 is 1020202112221.
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 1222112020201 - 215 = 1222111987433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1222112020501) 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, 56573701 + ... + 56595298.
It is an arithmetic number, because the mean of its divisors is an integer number (305556300000).
Almost surely, 21222112020201 is an apocalyptic number.
It is an amenable number.
1222112020201 is a deficient number, since it is larger than the sum of its proper divisors (113179799).
1222112020201 is a wasteful number, since it uses less digits than its factorization.
1222112020201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113179798.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 1222112020201 its reverse (1020202112221), we get a palindrome (2242314132422).
It can be divided in two parts, 1222112020 and 201, that added together give a palindrome (1222112221).
The spelling of 1222112020201 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, twenty thousand, two hundred one".
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