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12232021100 = 2252139409247
BaseRepresentation
bin10110110010001010…
…11101010001101100
31011120110201001110112
423121011131101230
5200022344133400
65341434355152
7612056315045
oct133105352154
934513631415
1012232021100
115207725552
12245458bab8
1311cc250a10
148407778cc
154b8d02835
hex2d915d46c

12232021100 has 36 divisors (see below), whose sum is σ = 28585295424. Its totient is φ = 4516438080.

The previous prime is 12232021097. The next prime is 12232021127. The reversal of 12232021100 is 112023221.

It is a happy number.

12232021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4703324 + ... + 4705923.

It is an arithmetic number, because the mean of its divisors is an integer number (794035984).

Almost surely, 212232021100 is an apocalyptic number.

12232021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232021100 is an abundant number, since it is smaller than the sum of its proper divisors (16353274324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12232021100 is a wasteful number, since it uses less digits than its factorization.

12232021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409274 (or 9409267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12232021100 its reverse (112023221), we get a palindrome (12344044321).

The spelling of 12232021100 in words is "twelve billion, two hundred thirty-two million, twenty-one thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 9409247 18818494 37636988 47046235 94092470 122320211 188184940 235231175 244640422 470462350 489280844 611601055 940924700 1223202110 2446404220 3058005275 6116010550 12232021100