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12231122214 = 234164776847
BaseRepresentation
bin10110110010000100…
…00001110100100110
31011120102000101102110
423121002001310212
5200022131402324
65341403221450
7612045552303
oct133102016446
934512011373
1012231122214
115207171173
122454217886
1311cbcc782c
148405c20aa
154b8bc6329
hex2d9081d26

12231122214 has 32 divisors (see below), whose sum is σ = 25097942016. Its totient is φ = 3971401280.

The previous prime is 12231122191. The next prime is 12231122231. The reversal of 12231122214 is 41222113221.

It is a happy number.

It is a super-2 number, since 2×122311222142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120739 + ... + 197585.

It is an arithmetic number, because the mean of its divisors is an integer number (784310688).

Almost surely, 212231122214 is an apocalyptic number.

12231122214 is an abundant number, since it is smaller than the sum of its proper divisors (12866819802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231122214 is a wasteful number, since it uses less digits than its factorization.

12231122214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77540.

The product of its digits is 384, while the sum is 21.

Adding to 12231122214 its reverse (41222113221), we get a palindrome (53453235435).

The spelling of 12231122214 in words is "twelve billion, two hundred thirty-one million, one hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 647 1294 1941 3882 26527 53054 76847 79581 153694 159162 230541 461082 3150727 6301454 9452181 18904362 49720009 99440018 149160027 298320054 2038520369 4077040738 6115561107 12231122214