Base | Representation |
---|---|
bin | 1011001100101110010010… |
… | …0100011010001101011001 |
3 | 1121121010112211212111012002 |
4 | 2303023210210122031121 |
5 | 3103214424010120441 |
6 | 42104335553130345 |
7 | 2410412563525454 |
oct | 263134444321531 |
9 | 47533484774162 |
10 | 12313211020121 |
11 | 3a18004686050 |
12 | 146a4715599b5 |
13 | 6b419153545b |
14 | 307d694da49b |
15 | 165465315b9b |
hex | b32e491a359 |
12313211020121 has 8 divisors (see below), whose sum is σ = 13432620504288. Its totient is φ = 11193805980000.
The previous prime is 12313211020109. The next prime is 12313211020133. The reversal of 12313211020121 is 12102011231321.
It is an interprime number because it is at equal distance from previous prime (12313211020109) and next prime (12313211020133).
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 12313211020121 - 26 = 12313211020057 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12313211020093 and 12313211020102.
It is not an unprimeable number, because it can be changed into a prime (12313211020141) 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, 7766546 + ... + 9216596.
It is an arithmetic number, because the mean of its divisors is an integer number (1679077563036).
Almost surely, 212313211020121 is an apocalyptic number.
12313211020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12313211020121 is a deficient number, since it is larger than the sum of its proper divisors (1119409484167).
12313211020121 is a wasteful number, since it uses less digits than its factorization.
12313211020121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2222023.
The product of its (nonzero) digits is 144, while the sum is 20.
Adding to 12313211020121 its reverse (12102011231321), we get a palindrome (24415222251442).
The spelling of 12313211020121 in words is "twelve trillion, three hundred thirteen billion, two hundred eleven million, twenty thousand, one hundred twenty-one".
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