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12444322204121 = 98394131344899
BaseRepresentation
bin1011010100010110101101…
…1001111000100111011001
31122001122222012200201200212
42311011223121320213121
53112341432441012441
642244502004540505
72423033622306353
oct265055331704731
948048865621625
1012444322204121
113a68675509165
12148b9623b1735
136c36576a53c2
143104463b60d3
15168a8a9bdeeb
hexb516b6789d9

12444322204121 has 8 divisors (see below), whose sum is σ = 12458314382400. Its totient is φ = 12430332736432.

The previous prime is 12444322204117. The next prime is 12444322204129. The reversal of 12444322204121 is 12140222344421.

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

It is a cyclic number.

It is not a de Polignac number, because 12444322204121 - 22 = 12444322204117 is a prime.

It is a super-3 number, since 3×124443222041213 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444322204129) 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, 8580530 + ... + 9925428.

It is an arithmetic number, because the mean of its divisors is an integer number (1557289297800).

Almost surely, 212444322204121 is an apocalyptic number.

It is an amenable number.

12444322204121 is a deficient number, since it is larger than the sum of its proper divisors (13992178279).

12444322204121 is an equidigital number, since it uses as much as digits as its factorization.

12444322204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355295.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 12444322204121 its reverse (12140222344421), we get a palindrome (24584544548542).

The spelling of 12444322204121 in words is "twelve trillion, four hundred forty-four billion, three hundred twenty-two million, two hundred four thousand, one hundred twenty-one".

Divisors: 1 983 9413 1344899 9252979 1322035717 12659534287 12444322204121