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12020044300 = 22521144924337
BaseRepresentation
bin10110011000111001…
…10101001000001100
31011000200211111221221
423030130311020030
5144104112404200
65304423133124
7603603455635
oct131434651014
934020744857
1012020044300
115109002210
1223b55a41a4
131197362164
1482055888c
154a53ce91a
hex2cc73520c

12020044300 has 72 divisors (see below), whose sum is σ = 28519268400. Its totient is φ = 4361011200.

The previous prime is 12020044291. The next prime is 12020044303. The reversal of 12020044300 is 344002021.

It is not an unprimeable number, because it can be changed into a prime (12020044303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481732 + ... + 506068.

It is an arithmetic number, because the mean of its divisors is an integer number (396100950).

Almost surely, 212020044300 is an apocalyptic number.

12020044300 is a gapful number since it is divisible by the number (10) 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 12020044300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14259634200).

12020044300 is an abundant number, since it is smaller than the sum of its proper divisors (16499224100).

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

12020044300 is a wasteful number, since it uses less digits than its factorization.

12020044300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24811 (or 24804 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12020044300 its reverse (344002021), we get a palindrome (12364046321).

The spelling of 12020044300 in words is "twelve billion, twenty million, forty-four thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 449 550 898 1100 1796 2245 4490 4939 8980 9878 11225 19756 22450 24337 24695 44900 48674 49390 97348 98780 121685 123475 243370 246950 267707 486740 493900 535414 608425 1070828 1216850 1338535 2433700 2677070 5354140 6692675 10927313 13385350 21854626 26770700 43709252 54636565 109273130 120200443 218546260 240400886 273182825 480801772 546365650 601002215 1092731300 1202004430 2404008860 3005011075 6010022150 12020044300