Base | Representation |
---|---|
bin | 1011000111111000010110… |
… | …0010001001001110100011 |
3 | 1121022011210120122010120010 |
4 | 2301332011202021032203 |
5 | 3100334031111242011 |
6 | 42002220130020003 |
7 | 2401406050400160 |
oct | 261760542111643 |
9 | 47264716563503 |
10 | 12230012212131 |
11 | 39957a00701aa |
12 | 1456312417603 |
13 | 6a939278b55c |
14 | 303d159a7067 |
15 | 1631e60d21a6 |
hex | b1f858893a3 |
12230012212131 has 32 divisors (see below), whose sum is σ = 20117047311360. Its totient is φ = 6454219330944.
The previous prime is 12230012212109. The next prime is 12230012212141. The reversal of 12230012212131 is 13121221003221.
It is not a de Polignac number, because 12230012212131 - 210 = 12230012211107 is a prime.
It is a super-2 number, since 2×122300122121312 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12230012212098 and 12230012212107.
It is not an unprimeable number, because it can be changed into a prime (12230012212141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436553860 + ... + 436581873.
It is an arithmetic number, because the mean of its divisors is an integer number (628657728480).
Almost surely, 212230012212131 is an apocalyptic number.
12230012212131 is a deficient number, since it is larger than the sum of its proper divisors (7887035099229).
12230012212131 is a wasteful number, since it uses less digits than its factorization.
12230012212131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 873135795.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 12230012212131 its reverse (13121221003221), we get a palindrome (25351233215352).
The spelling of 12230012212131 in words is "twelve trillion, two hundred thirty billion, twelve million, two hundred twelve thousand, one hundred thirty-one".
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