Base | Representation |
---|---|
bin | 111000011101000000… |
… | …0001011110100100001 |
3 | 102120220212210102112112 |
4 | 1300322000023310201 |
5 | 3441240421224413 |
6 | 131405431005105 |
7 | 11521150535660 |
oct | 1607200136441 |
9 | 376825712475 |
10 | 121232211233 |
11 | 47461471711 |
12 | 1b5b4509795 |
13 | b580579143 |
14 | 5c20c5cdd7 |
15 | 32482552a8 |
hex | 1c3a00bd21 |
121232211233 has 16 divisors (see below), whose sum is σ = 145055594880. Its totient is φ = 99121295616.
The previous prime is 121232211193. The next prime is 121232211259. The reversal of 121232211233 is 332112232121.
It is not a de Polignac number, because 121232211233 - 214 = 121232194849 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 121232211199 and 121232211208.
It is not an unprimeable number, because it can be changed into a prime (121232217233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580760 + ... + 3614457.
It is an arithmetic number, because the mean of its divisors is an integer number (9065974680).
Almost surely, 2121232211233 is an apocalyptic number.
It is an amenable number.
121232211233 is a deficient number, since it is larger than the sum of its proper divisors (23823383647).
121232211233 is an equidigital number, since it uses as much as digits as its factorization.
121232211233 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7195336.
The product of its digits is 864, while the sum is 23.
Adding to 121232211233 its reverse (332112232121), we get a palindrome (453344443354).
The spelling of 121232211233 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred eleven thousand, two hundred thirty-three".
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