Base | Representation |
---|---|
bin | 1011001100100010011001… |
… | …1011100001100111011001 |
3 | 1121120211022112022200211221 |
4 | 2303020212123201213121 |
5 | 3103141410340120441 |
6 | 42103051240252041 |
7 | 2410240540135066 |
oct | 263104633414731 |
9 | 47524275280757 |
10 | 12310021020121 |
11 | 3a16717a42910 |
12 | 1469921171021 |
13 | 6b3aa36884a6 |
14 | 307b45995c6d |
15 | 16532a2408d1 |
hex | b32266e19d9 |
12310021020121 has 8 divisors (see below), whose sum is σ = 13430581452288. Its totient is φ = 11189705190000.
The previous prime is 12310021020023. The next prime is 12310021020169. The reversal of 12310021020121 is 12102012001321.
12310021020121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 12310021020121 - 225 = 12309987465689 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12310021020095 and 12310021020104.
It is not an unprimeable number, because it can be changed into a prime (12310021020191) 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, 61045270 + ... + 61246591.
It is an arithmetic number, because the mean of its divisors is an integer number (1678822681536).
Almost surely, 212310021020121 is an apocalyptic number.
12310021020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12310021020121 is a deficient number, since it is larger than the sum of its proper divisors (1120560432167).
12310021020121 is a wasteful number, since it uses less digits than its factorization.
12310021020121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122301023.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 12310021020121 its reverse (12102012001321), we get a palindrome (24412033021442).
The spelling of 12310021020121 in words is "twelve trillion, three hundred ten billion, twenty-one million, twenty thousand, one hundred twenty-one".
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