Base | Representation |
---|---|
bin | 1011001100100010110100… |
… | …0000010010100100100001 |
3 | 1121120211121012212120101011 |
4 | 2303020231000102210201 |
5 | 3103142122104233441 |
6 | 42103110220340521 |
7 | 2410243346522254 |
oct | 263105500224441 |
9 | 47524535776334 |
10 | 12310131321121 |
11 | 3a1677422a667 |
12 | 14699520a4741 |
13 | 6b3ac049785a |
14 | 307b564a909b |
15 | 165334c7c581 |
hex | b322d012921 |
12310131321121 has 8 divisors (see below), whose sum is σ = 12599787949760. Its totient is φ = 12020628079152.
The previous prime is 12310131321109. The next prime is 12310131321157. The reversal of 12310131321121 is 12112313101321.
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 12310131321121 - 29 = 12310131320609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12310131321092 and 12310131321101.
It is not an unprimeable number, because it can be changed into a prime (12310131327121) 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, 38184261 + ... + 38505298.
It is an arithmetic number, because the mean of its divisors is an integer number (1574973493720).
Almost surely, 212310131321121 is an apocalyptic number.
It is an amenable number.
12310131321121 is a deficient number, since it is larger than the sum of its proper divisors (289656628639).
12310131321121 is an equidigital number, since it uses as much as digits as its factorization.
12310131321121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76693335.
The product of its (nonzero) digits is 216, while the sum is 22.
Adding to 12310131321121 its reverse (12112313101321), we get a palindrome (24422444422442).
The spelling of 12310131321121 in words is "twelve trillion, three hundred ten billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-one".
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