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12231344123 = 291632587549
BaseRepresentation
bin10110110010000101…
…10111111111111011
31011120102102122211022
423121002313333323
5200022211002443
65341412053055
7612050465255
oct133102677773
934512378738
1012231344123
115207302969
12245430418b
1311cc07483b
1484063ccd5
154b8c1be68
hex2d90b7ffb

12231344123 has 8 divisors (see below), whose sum is σ = 12730746000. Its totient is φ = 11737117728.

The previous prime is 12231344063. The next prime is 12231344131. The reversal of 12231344123 is 32144313221.

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 12231344123 - 228 = 11962908667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12231344092 and 12231344101.

It is not an unprimeable number, because it can be changed into a prime (12231341123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289048 + ... + 1298501.

It is an arithmetic number, because the mean of its divisors is an integer number (1591343250).

Almost surely, 212231344123 is an apocalyptic number.

12231344123 is a deficient number, since it is larger than the sum of its proper divisors (499401877).

12231344123 is a wasteful number, since it uses less digits than its factorization.

12231344123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587741.

The product of its digits is 3456, while the sum is 26.

Adding to 12231344123 its reverse (32144313221), we get a palindrome (44375657344).

The spelling of 12231344123 in words is "twelve billion, two hundred thirty-one million, three hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 29 163 4727 2587549 75038921 421770487 12231344123