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12201244305 = 351462955603
BaseRepresentation
bin10110101110100000…
…00011011010010001
31011111022210102122020
423113100003122101
5144442004304210
65334415002053
7611233602555
oct132720033221
934438712566
1012201244305
1151a1314488
122446209329
1311c5a662b3
1483a645865
154b6273770
hex2d7403691

12201244305 has 16 divisors (see below), whose sum is σ = 19523676480. Its totient is φ = 6506768448.

The previous prime is 12201244303. The next prime is 12201244313. The reversal of 12201244305 is 50344210221.

It is not a de Polignac number, because 12201244305 - 21 = 12201244303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12201244303) 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, 191634 + ... + 247236.

It is an arithmetic number, because the mean of its divisors is an integer number (1220229780).

Almost surely, 212201244305 is an apocalyptic number.

12201244305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12201244305 is a deficient number, since it is larger than the sum of its proper divisors (7322432175).

12201244305 is a wasteful number, since it uses less digits than its factorization.

12201244305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70240.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12201244305 its reverse (50344210221), we get a palindrome (62545454526).

The spelling of 12201244305 in words is "twelve billion, two hundred one million, two hundred forty-four thousand, three hundred five".

Divisors: 1 3 5 15 14629 43887 55603 73145 166809 219435 278015 834045 813416287 2440248861 4067081435 12201244305