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12032223020 = 2254331144987
BaseRepresentation
bin10110011010010110…
…10010011100101100
31011001112202021000122
423031023102130230
5144120222114040
65305540144112
7604112131256
oct131513223454
934045667018
1012032223020
115114970274
1223b9698038
131199a375bc
14822008cd6
154a64d81b5
hex2cd2d272c

12032223020 has 48 divisors (see below), whose sum is σ = 25939001088. Its totient is φ = 4685741760.

The previous prime is 12032222953. The next prime is 12032223041. The reversal of 12032223020 is 2032223021.

12032223020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12032223020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244967 + ... + 289953.

It is an arithmetic number, because the mean of its divisors is an integer number (540395856).

Almost surely, 212032223020 is an apocalyptic number.

12032223020 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 12032223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12969500544).

12032223020 is an abundant number, since it is smaller than the sum of its proper divisors (13906778068).

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

12032223020 is a wasteful number, since it uses less digits than its factorization.

12032223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45350 (or 45348 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12032223020 its reverse (2032223021), we get a palindrome (14064446041).

Subtracting from 12032223020 its reverse (2032223021), we obtain a palindrome (9999999999).

The spelling of 12032223020 in words is "twelve billion, thirty-two million, two hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 311 430 622 860 1244 1555 3110 6220 13373 26746 44987 53492 66865 89974 133730 179948 224935 267460 449870 899740 1934441 3868882 7737764 9672205 13990957 19344410 27981914 38688820 55963828 69954785 139909570 279819140 601611151 1203222302 2406444604 3008055755 6016111510 12032223020