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12124012103 = 723211356893
BaseRepresentation
bin10110100101010010…
…11011111001000111
31011021221110121222022
423102221123321013
5144312221341403
65323015353355
7606305255030
oct132251337107
934257417868
1012124012103
115161763815
12242438285b
1311b2a64978
1483029da87
154ae5b9d38
hex2d2a5be47

12124012103 has 16 divisors (see below), whose sum is σ = 14527013376. Its totient is φ = 9893046240.

The previous prime is 12124012031. The next prime is 12124012123. The reversal of 12124012103 is 30121042121.

It is not a de Polignac number, because 12124012103 - 28 = 12124011847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124012123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144476 + ... + 212417.

It is an arithmetic number, because the mean of its divisors is an integer number (907938336).

Almost surely, 212124012103 is an apocalyptic number.

12124012103 is a deficient number, since it is larger than the sum of its proper divisors (2403001273).

12124012103 is a wasteful number, since it uses less digits than its factorization.

12124012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357134.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12124012103 its reverse (30121042121), we get a palindrome (42245054224).

The spelling of 12124012103 in words is "twelve billion, one hundred twenty-four million, twelve thousand, one hundred three".

Divisors: 1 7 23 161 211 1477 4853 33971 356893 2498251 8208539 57459773 75304423 527130961 1732001729 12124012103