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12231466123 = 15797746337
BaseRepresentation
bin10110110010000110…
…10101110010001011
31011120102122212011211
423121003111302023
5200022223403443
65341414433551
7612051514042
oct133103256213
934512585154
1012231466123
115207386598
1224543628b7
1311cc0b8226
14840671559
154b8c4319d
hex2d90d5c8b

12231466123 has 4 divisors (see below), whose sum is σ = 12239214040. Its totient is φ = 12223718208.

The previous prime is 12231466099. The next prime is 12231466129. The reversal of 12231466123 is 32166413221.

12231466123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12231466123 - 29 = 12231465611 is a prime.

It is a super-2 number, since 2×122314661232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12231466129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871590 + ... + 3874747.

It is an arithmetic number, because the mean of its divisors is an integer number (3059803510).

Almost surely, 212231466123 is an apocalyptic number.

12231466123 is a deficient number, since it is larger than the sum of its proper divisors (7747917).

12231466123 is an equidigital number, since it uses as much as digits as its factorization.

12231466123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747916.

The product of its digits is 10368, while the sum is 31.

Adding to 12231466123 its reverse (32166413221), we get a palindrome (44397879344).

The spelling of 12231466123 in words is "twelve billion, two hundred thirty-one million, four hundred sixty-six thousand, one hundred twenty-three".

Divisors: 1 1579 7746337 12231466123