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12223980288 = 2832131724007
BaseRepresentation
bin10110110001001101…
…10010001100000000
31011112220120112112200
423120212302030000
5200013314332123
65340550153200
7611631055332
oct133046621400
934486515480
1012223980288
115203133353
122451952800
1311ca696b40
1483d683452
154b8265143
hex2d89b2300

12223980288 has 216 divisors, whose sum is σ = 40190256288. Its totient is φ = 3539828736.

The previous prime is 12223980287. The next prime is 12223980299. The reversal of 12223980288 is 88208932221.

It is not an unprimeable number, because it can be changed into a prime (12223980283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497181 + ... + 521187.

Almost surely, 212223980288 is an apocalyptic number.

12223980288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12223980288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20095128144).

12223980288 is an abundant number, since it is smaller than the sum of its proper divisors (27966276000).

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

12223980288 is a wasteful number, since it uses less digits than its factorization.

12223980288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24059 (or 24042 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 12223980288 in words is "twelve billion, two hundred twenty-three million, nine hundred eighty thousand, two hundred eighty-eight".