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12231332232231 = 37718531396157
BaseRepresentation
bin1011000111111101010000…
…1101100111110000100111
31121022022012120111002201110
42301333110031213300213
53100344232022412411
642002555122400103
72401453546362240
oct261772415476047
947268176432643
1012231332232231
1139963081a1902
121456620500033
136a95430b5b38
14303ddd019cc7
15163271e292a6
hexb1fd4367c27

12231332232231 has 32 divisors (see below), whose sum is σ = 18901148802048. Its totient is φ = 6890738964480.

The previous prime is 12231332232187. The next prime is 12231332232289. The reversal of 12231332232231 is 13223223313221.

It is not a de Polignac number, because 12231332232231 - 27 = 12231332232103 is a prime.

It is a super-2 number, since 2×122313322322312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231332232631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127153605 + ... + 127249761.

It is an arithmetic number, because the mean of its divisors is an integer number (590660900064).

Almost surely, 212231332232231 is an apocalyptic number.

12231332232231 is a deficient number, since it is larger than the sum of its proper divisors (6669816569817).

12231332232231 is an equidigital number, since it uses as much as digits as its factorization.

12231332232231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181551.

The product of its digits is 15552, while the sum is 30.

Adding to 12231332232231 its reverse (13223223313221), we get a palindrome (25454555545452).

The spelling of 12231332232231 in words is "twelve trillion, two hundred thirty-one billion, three hundred thirty-two million, two hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 71 213 497 1491 85313 96157 255939 288471 597191 673099 1791573 2019297 6057223 6827147 18171669 20481441 42400561 47790029 127201683 143370087 8203442141 24610326423 57424094987 172272284961 582444392011 1747333176033 4077110744077 12231332232231