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12204122080 = 255147151853
BaseRepresentation
bin10110101110110110…
…00001111111100000
31011111112012122012111
423113123001333200
5144443223401310
65335000405104
7611300216563
oct132733017740
934445178174
1012204122080
1151a29aa607
122447176794
1311c6533117
1483ab944da
154b664128a
hex2d76c1fe0

12204122080 has 48 divisors (see below), whose sum is σ = 28852395264. Its totient is φ = 4878236160.

The previous prime is 12204122059. The next prime is 12204122089. The reversal of 12204122080 is 8022140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204122089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209434 + ... + 261286.

It is an arithmetic number, because the mean of its divisors is an integer number (601091568).

Almost surely, 212204122080 is an apocalyptic number.

12204122080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12204122080 is an abundant number, since it is smaller than the sum of its proper divisors (16648273184).

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

12204122080 is a wasteful number, since it uses less digits than its factorization.

12204122080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53339 (or 53331 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 12204122080 in words is "twelve billion, two hundred four million, one hundred twenty-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1471 2942 5884 7355 11768 14710 23536 29420 47072 51853 58840 103706 117680 207412 235360 259265 414824 518530 829648 1037060 1659296 2074120 4148240 8296480 76275763 152551526 305103052 381378815 610206104 762757630 1220412208 1525515260 2440824416 3051030520 6102061040 12204122080