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12000100321 = 115479199109
BaseRepresentation
bin10110010110100001…
…01111111111100001
31010222022022020222001
423023100233333201
5144034011202241
65302431444001
7603242112136
oct131320577741
933868266861
1012000100321
1150a881aa90
1223aa986601
13119319b3a1
1481ba4658d
154a3790431
hex2cb42ffe1

12000100321 has 8 divisors (see below), whose sum is σ = 13093473600. Its totient is φ = 10907136240.

The previous prime is 12000100297. The next prime is 12000100331. The reversal of 12000100321 is 12300100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12000100321 - 29 = 12000099809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000100298 and 12000100307.

It is not an unprimeable number, because it can be changed into a prime (12000100331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39286 + ... + 159823.

It is an arithmetic number, because the mean of its divisors is an integer number (1636684200).

Almost surely, 212000100321 is an apocalyptic number.

12000100321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12000100321 is a deficient number, since it is larger than the sum of its proper divisors (1093373279).

12000100321 is a wasteful number, since it uses less digits than its factorization.

12000100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204599.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12000100321 its reverse (12300100021), we get a palindrome (24300200342).

The spelling of 12000100321 in words is "twelve billion, one hundred thousand, three hundred twenty-one".

Divisors: 1 11 5479 60269 199109 2190199 1090918211 12000100321