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12203012223 = 327328376547
BaseRepresentation
bin10110101110101101…
…10011000001111111
31011111110010020202200
423113112303001333
5144442432342343
65334520522543
7611254615053
oct132726630177
934443106680
1012203012223
1151a2311776
122446920453
1311c6234bbc
1483a985c63
154b64c24d3
hex2d75b307f

12203012223 has 24 divisors (see below), whose sum is σ = 17877061488. Its totient is φ = 8019844992.

The previous prime is 12203012221. The next prime is 12203012231. The reversal of 12203012223 is 32221030221.

It is not a de Polignac number, because 12203012223 - 21 = 12203012221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12203012196 and 12203012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203012221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860636 + ... + 1867182.

It is an arithmetic number, because the mean of its divisors is an integer number (744877562).

Almost surely, 212203012223 is an apocalyptic number.

12203012223 is a deficient number, since it is larger than the sum of its proper divisors (5674049265).

12203012223 is a wasteful number, since it uses less digits than its factorization.

12203012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9463 (or 9460 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12203012223 its reverse (32221030221), we get a palindrome (44424042444).

The spelling of 12203012223 in words is "twelve billion, two hundred three million, twelve thousand, two hundred twenty-three".

Divisors: 1 3 9 73 219 657 2837 6547 8511 19641 25533 58923 207101 477931 621303 1433793 1863909 4301379 18573839 55721517 167164551 1355890247 4067670741 12203012223