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12212100221203 = 318922319848779
BaseRepresentation
bin1011000110110101100111…
…1001010100100100010011
31121020110120021001201021201
42301231121321110210103
53100040340124034303
641550054505532031
72400203141106241
oct261553171244423
947213507051251
1012212100221203
11398913922a313
1214529537a4017
136a779986395c
143030d6b29791
151629e881081d
hexb1b59e54913

12212100221203 has 16 divisors (see below), whose sum is σ = 12804844953600. Its totient is φ = 11632971810240.

The previous prime is 12212100221179. The next prime is 12212100221219. The reversal of 12212100221203 is 30212200121221.

12212100221203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12212100221203 - 229 = 12211563350291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212100221303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9309133 + ... + 10539646.

It is an arithmetic number, because the mean of its divisors is an integer number (800302809600).

Almost surely, 212212100221203 is an apocalyptic number.

12212100221203 is a deficient number, since it is larger than the sum of its proper divisors (592744732397).

12212100221203 is a wasteful number, since it uses less digits than its factorization.

12212100221203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19849122.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12212100221203 its reverse (30212200121221), we get a palindrome (42424300342424).

The spelling of 12212100221203 in words is "twelve trillion, two hundred twelve billion, one hundred million, two hundred twenty-one thousand, two hundred three".

Divisors: 1 31 89 223 2759 6913 19847 615257 19848779 615312149 1766541331 4426277717 54762781261 137214609227 393938716813 12212100221203