Base | Representation |
---|---|
bin | 10110110010010100… |
… | …00010010001011011 |
3 | 1011120112222000201002 |
4 | 23121022002101123 |
5 | 200023201034321 |
6 | 5341520215215 |
7 | 612102443651 |
oct | 133112022133 |
9 | 34515860632 |
10 | 12233221211 |
11 | 5208375182 |
12 | 2454a6a50b |
13 | 11cc581043 |
14 | 8409aadd1 |
15 | 4b8e8d20b |
hex | 2d928245b |
12233221211 has 2 divisors, whose sum is σ = 12233221212. Its totient is φ = 12233221210.
The previous prime is 12233221201. The next prime is 12233221213. The reversal of 12233221211 is 11212233221.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12233221211 is a prime.
Together with 12233221213, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12233221213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116610605 + 6116610606.
It is an arithmetic number, because the mean of its divisors is an integer number (6116610606).
Almost surely, 212233221211 is an apocalyptic number.
12233221211 is a deficient number, since it is larger than the sum of its proper divisors (1).
12233221211 is an equidigital number, since it uses as much as digits as its factorization.
12233221211 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 288, while the sum is 20.
Adding to 12233221211 its reverse (11212233221), we get a palindrome (23445454432).
The spelling of 12233221211 in words is "twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred eleven".
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