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12041301205 = 519223290047
BaseRepresentation
bin10110011011011011…
…11010110011010101
31011002011211110221201
423031231322303111
5144130033114310
65310502512501
7604252241263
oct131555726325
934064743851
1012041301205
11511a0008aa
122400735731
13119b8956cb
148232cd433
154a71cce3a
hex2cdb7acd5

12041301205 has 24 divisors (see below), whose sum is σ = 15913193472. Its totient is φ = 8729224416.

The previous prime is 12041301199. The next prime is 12041301227. The reversal of 12041301205 is 50210314021.

It is not a de Polignac number, because 12041301205 - 23 = 12041301197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103509 + ... + 186538.

It is an arithmetic number, because the mean of its divisors is an integer number (663049728).

Almost surely, 212041301205 is an apocalyptic number.

It is an amenable number.

12041301205 is a deficient number, since it is larger than the sum of its proper divisors (3871892267).

12041301205 is a wasteful number, since it uses less digits than its factorization.

12041301205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290113 (or 290094 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 12041301205 its reverse (50210314021), we get a palindrome (62251615226).

The spelling of 12041301205 in words is "twelve billion, forty-one million, three hundred one thousand, two hundred five".

Divisors: 1 5 19 23 95 115 361 437 1805 2185 8303 41515 290047 1450235 5510893 6671081 27554465 33355405 104706967 126750539 523534835 633752695 2408260241 12041301205