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12120210112 = 261711139899
BaseRepresentation
bin10110100100110101…
…11011101011000000
31011021200022110121211
423102122323223000
5144310233210422
65322402055504
7606231041353
oct132232735300
934250273554
1012120210112
11515a5a727a
12242304a594
1311b203327a
1482d99029a
154ae0b8577
hex2d26bbac0

12120210112 has 28 divisors (see below), whose sum is σ = 25465811400. Its totient is φ = 5703627776.

The previous prime is 12120210097. The next prime is 12120210131. The reversal of 12120210112 is 21101202121.

12120210112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12120210092 and 12120210101.

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 3 ways as a sum of consecutive naturals, for example, 5568862 + ... + 5571037.

Almost surely, 212120210112 is an apocalyptic number.

It is an amenable number.

12120210112 is an abundant number, since it is smaller than the sum of its proper divisors (13345601288).

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

12120210112 is a wasteful number, since it uses less digits than its factorization.

12120210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11139928 (or 11139918 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12120210112 its reverse (21101202121), we get a palindrome (33221412233).

The spelling of 12120210112 in words is "twelve billion, one hundred twenty million, two hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 11139899 22279798 44559596 89119192 178238384 189378283 356476768 378756566 712953536 757513132 1515026264 3030052528 6060105056 12120210112