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12020232230 = 257211166693
BaseRepresentation
bin10110011000111011…
…00011000000100110
31011000201012001202022
423030131203000212
5144104134412410
65304431143142
7603605200556
oct131435430046
934021161668
1012020232230
115109120426
1223b5674ab2
1311973c9866
148205a7166
154a541a455
hex2cc763026

12020232230 has 16 divisors (see below), whose sum is σ = 21639548304. Its totient is φ = 4807397280.

The previous prime is 12020232229. The next prime is 12020232241. The reversal of 12020232230 is 3223202021.

It is a junction number, because it is equal to n+sod(n) for n = 12020232199 and 12020232208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11237 + ... + 155456.

It is an arithmetic number, because the mean of its divisors is an integer number (1352471769).

Almost surely, 212020232230 is an apocalyptic number.

12020232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020232230 is a deficient number, since it is larger than the sum of its proper divisors (9619316074).

12020232230 is a wasteful number, since it uses less digits than its factorization.

12020232230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173911.

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

Adding to 12020232230 its reverse (3223202021), we get a palindrome (15243434251).

The spelling of 12020232230 in words is "twelve billion, twenty million, two hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 7211 14422 36055 72110 166693 333386 833465 1666930 1202023223 2404046446 6010116115 12020232230