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12231324111 = 315764340387
BaseRepresentation
bin10110110010000101…
…10011000111001111
31011120102101122101010
423121002303013033
5200022204332421
65341411420303
7612050353026
oct133102630717
934512348333
1012231324111
115207299926
1224542b4693
1311cc0686b6
148406358bd
154b8c16076
hex2d90b31cf

12231324111 has 16 divisors (see below), whose sum is σ = 16438239104. Its totient is φ = 8089477344.

The previous prime is 12231324107. The next prime is 12231324121. The reversal of 12231324111 is 11142313221.

It is not a de Polignac number, because 12231324111 - 22 = 12231324107 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 (12231324121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282660 + ... + 323046.

It is an arithmetic number, because the mean of its divisors is an integer number (1027389944).

Almost surely, 212231324111 is an apocalyptic number.

12231324111 is a deficient number, since it is larger than the sum of its proper divisors (4206914993).

12231324111 is a wasteful number, since it uses less digits than its factorization.

12231324111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41190.

The product of its digits is 288, while the sum is 21.

Adding to 12231324111 its reverse (11142313221), we get a palindrome (23373637332).

The spelling of 12231324111 in words is "twelve billion, two hundred thirty-one million, three hundred twenty-four thousand, one hundred eleven".

Divisors: 1 3 157 471 643 1929 40387 100951 121161 302853 6340759 19022277 25968841 77906523 4077108037 12231324111