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12210331223211 = 3112246713634891
BaseRepresentation
bin1011000110101111000001…
…1101001000010010101011
31121020021222222101022020120
42301223300131020102223
53100023224243120321
641545203154054323
72400111250632552
oct261536035102253
947207888338216
1012210331223211
11398841071aa00
12145253b27a3a3
136a7577209994
14302da9c02d99
1516294337cec6
hexb1af07484ab

12210331223211 has 24 divisors (see below), whose sum is σ = 17902285958592. Its totient is φ = 7397200522800.

The previous prime is 12210331223201. The next prime is 12210331223249. The reversal of 12210331223211 is 11232213301221.

It is not a de Polignac number, because 12210331223211 - 211 = 12210331221163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12210331223201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5921925 + ... + 7712966.

It is an arithmetic number, because the mean of its divisors is an integer number (745928581608).

Almost surely, 212210331223211 is an apocalyptic number.

12210331223211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12210331223211 is a deficient number, since it is larger than the sum of its proper divisors (5691954735381).

12210331223211 is a wasteful number, since it uses less digits than its factorization.

12210331223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13637383 (or 13637372 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12210331223211 its reverse (11232213301221), we get a palindrome (23442544524432).

The spelling of 12210331223211 in words is "twelve trillion, two hundred ten billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred eleven".

Divisors: 1 3 11 33 121 363 2467 7401 27137 81411 298507 895521 13634891 40904673 149983801 449951403 1649821811 4949465433 33637276097 100911828291 370010037067 1110030111201 4070110407737 12210331223211