Base | Representation |
---|---|
bin | 1011000111011110101000… |
… | …1001001001000100101001 |
3 | 1121021111222120022201012111 |
4 | 2301313222021021010221 |
5 | 3100230412204101441 |
6 | 41555115212242321 |
7 | 2401043031424261 |
oct | 261675211110451 |
9 | 47244876281174 |
10 | 12223110222121 |
11 | 3992879078a27 |
12 | 1454b06a703a1 |
13 | 6a88328803b6 |
14 | 30385d0807a1 |
15 | 162e401c8081 |
hex | b1dea249129 |
12223110222121 has 8 divisors (see below), whose sum is σ = 12243240124544. Its totient is φ = 12202980940080.
The previous prime is 12223110222047. The next prime is 12223110222131. The reversal of 12223110222121 is 12122201132221.
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 12223110222121 - 223 = 12223101833513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12223110222092 and 12223110222101.
It is not an unprimeable number, because it can be changed into a prime (12223110222131) 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, 55911136 + ... + 56129326.
It is an arithmetic number, because the mean of its divisors is an integer number (1530405015568).
Almost surely, 212223110222121 is an apocalyptic number.
It is an amenable number.
12223110222121 is a deficient number, since it is larger than the sum of its proper divisors (20129902423).
12223110222121 is an equidigital number, since it uses as much as digits as its factorization.
12223110222121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310191.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 12223110222121 its reverse (12122201132221), we get a palindrome (24345311354342).
The spelling of 12223110222121 in words is "twelve trillion, two hundred twenty-three billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".
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