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12022203223 = 67208386143
BaseRepresentation
bin10110011001001010…
…00100001101010111
31011000211220012110001
423030211010031113
5144110141000343
65304541312131
7603631020112
oct131445041527
934024805401
1012022203223
11510a247248
1223b6265647
131197939a24
1482095b579
154a56a944d
hex2cc944357

12022203223 has 8 divisors (see below), whose sum is σ = 12207638528. Its totient is φ = 11836944504.

The previous prime is 12022203187. The next prime is 12022203253. The reversal of 12022203223 is 32230222021.

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 12022203223 - 217 = 12022072151 is a prime.

It is a super-2 number, since 2×120222032232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12022203223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022203253) 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, 96490 + ... + 182632.

It is an arithmetic number, because the mean of its divisors is an integer number (1525954816).

Almost surely, 212022203223 is an apocalyptic number.

12022203223 is a deficient number, since it is larger than the sum of its proper divisors (185435305).

12022203223 is an equidigital number, since it uses as much as digits as its factorization.

12022203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88293.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12022203223 its reverse (32230222021), we get a palindrome (44252425244).

The spelling of 12022203223 in words is "twelve billion, twenty-two million, two hundred three thousand, two hundred twenty-three".

Divisors: 1 67 2083 86143 139561 5771581 179435869 12022203223