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12043303020 = 2233575954001
BaseRepresentation
bin10110011011101011…
…00011100001101100
31011002022121011221000
423031311203201230
5144131041144040
65311013440300
7604305246420
oct131565434154
934068534830
1012043303020
1151201488a1
122401340090
13119c116908
14823690b80
154a7476130
hex2cdd6386c

12043303020 has 192 divisors, whose sum is σ = 43547212800. Its totient is φ = 2706048000.

The previous prime is 12043303001. The next prime is 12043303043. The reversal of 12043303020 is 2030334021.

It is a super-2 number, since 2×120433030202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12043302984 and 12043303002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196020 + ... + 250020.

It is an arithmetic number, because the mean of its divisors is an integer number (226808400).

Almost surely, 212043303020 is an apocalyptic number.

12043303020 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 12043303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21773606400).

12043303020 is an abundant number, since it is smaller than the sum of its proper divisors (31503909780).

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

12043303020 is a wasteful number, since it uses less digits than its factorization.

12043303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54085 (or 54077 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 12043303020 its reverse (2030334021), we get a palindrome (14073637041).

The spelling of 12043303020 in words is "twelve billion, forty-three million, three hundred three thousand, twenty".