Base | Representation |
---|---|
bin | 1011000110010100111100… |
… | …1110001101001101100011 |
3 | 1121012121221010121220020221 |
4 | 2301211033032031031203 |
5 | 3044414410242242011 |
6 | 41542044415343511 |
7 | 2366442631546153 |
oct | 261451716151543 |
9 | 47177833556227 |
10 | 12203331212131 |
11 | 3985449368a84 |
12 | 1451106b21b97 |
13 | 6a69ccbcb9a7 |
14 | 302904282763 |
15 | 162683a60971 |
hex | b194f38d363 |
12203331212131 has 4 divisors (see below), whose sum is σ = 12357803759200. Its totient is φ = 12048858665064.
The previous prime is 12203331212069. The next prime is 12203331212159. The reversal of 12203331212131 is 13121213330221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12203331212131 - 221 = 12203329114979 is a prime.
It is a super-2 number, since 2×122033312121312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12203331212096 and 12203331212105.
It is not an unprimeable number, because it can be changed into a prime (12203331212231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77236273416 + ... + 77236273573.
It is an arithmetic number, because the mean of its divisors is an integer number (3089450939800).
Almost surely, 212203331212131 is an apocalyptic number.
12203331212131 is a deficient number, since it is larger than the sum of its proper divisors (154472547069).
12203331212131 is an equidigital number, since it uses as much as digits as its factorization.
12203331212131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154472547068.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 12203331212131 its reverse (13121213330221), we get a palindrome (25324544542352).
The spelling of 12203331212131 in words is "twelve trillion, two hundred three billion, three hundred thirty-one million, two hundred twelve thousand, one hundred thirty-one".
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