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12122230203 = 35674191777
BaseRepresentation
bin10110100101000101…
…01000110110111011
31011021211010002200000
423102202220312323
5144311242331303
65322513244043
7606254154006
oct132242506673
934254102600
1012122230203
115160756a76
122423863623
1311b258c8a5
1482dd5853d
154ae366da3
hex2d28a8dbb

12122230203 has 48 divisors (see below), whose sum is σ = 18483803520. Its totient is φ = 7937398656.

The previous prime is 12122230199. The next prime is 12122230243. The reversal of 12122230203 is 30203222121.

It is not a de Polignac number, because 12122230203 - 22 = 12122230199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122230243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6820851 + ... + 6822627.

It is an arithmetic number, because the mean of its divisors is an integer number (385079240).

Almost surely, 212122230203 is an apocalyptic number.

12122230203 is a deficient number, since it is larger than the sum of its proper divisors (6361573317).

12122230203 is an equidigital number, since it uses as much as digits as its factorization.

12122230203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 2266 counting only the distinct ones).

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

Adding to 12122230203 its reverse (30203222121), we get a palindrome (42325452324).

The spelling of 12122230203 in words is "twelve billion, one hundred twenty-two million, two hundred thirty thousand, two hundred three".

Divisors: 1 3 9 27 67 81 201 243 419 603 1257 1777 1809 3771 5331 5427 11313 15993 16281 28073 33939 47979 84219 101817 119059 143937 252657 357177 431811 744563 757971 1071531 2233689 2273913 3214593 6701067 6821739 9643779 20103201 28931337 49885721 60309603 149657163 180928809 448971489 1346914467 4040743401 12122230203