Base | Representation |
---|---|
bin | 1011000000100000110000… |
… | …1011010001010100001111 |
3 | 1120212002001022001012211221 |
4 | 2300020030023101110033 |
5 | 3041300302030334411 |
6 | 41424122501024211 |
7 | 2356305040360600 |
oct | 260101413212417 |
9 | 46762038035757 |
10 | 12103422121231 |
11 | 394703a285271 |
12 | 14358836b5067 |
13 | 69a46a19bc1c |
14 | 2dbb47327da7 |
15 | 15ec877d2071 |
hex | b020c2d150f |
12103422121231 has 12 divisors (see below), whose sum is σ = 14422893261840. Its totient is φ = 10121328601440.
The previous prime is 12103422121229. The next prime is 12103422121249. The reversal of 12103422121231 is 13212122430121.
It is not a de Polignac number, because 12103422121231 - 21 = 12103422121229 is a prime.
It is a super-2 number, since 2×121034221212312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12103422121196 and 12103422121205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103422121211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3012298171 + ... + 3012302188.
It is an arithmetic number, because the mean of its divisors is an integer number (1201907771820).
Almost surely, 212103422121231 is an apocalyptic number.
12103422121231 is a deficient number, since it is larger than the sum of its proper divisors (2319471140609).
12103422121231 is an equidigital number, since it uses as much as digits as its factorization.
12103422121231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6024600414 (or 6024600407 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 12103422121231 its reverse (13212122430121), we get a palindrome (25315544551352).
The spelling of 12103422121231 in words is "twelve trillion, one hundred three billion, four hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty-one".
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