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12210300231311 = 7213176118484519
BaseRepresentation
bin1011000110101110111010…
…0110111001111010001111
31121020021220211001202100102
42301223232212321322033
53100023143324400221
641545200125521315
72400110423333300
oct261535646717217
947207824052312
1012210300231311
1139883a5182266
121452530a1323b
136a7570978390
14302da5a567a7
151629407aa30b
hexb1aee9b9e8f

12210300231311 has 48 divisors (see below), whose sum is σ = 16461722007360. Its totient is φ = 8943549189120.

The previous prime is 12210300231301. The next prime is 12210300231317. The reversal of 12210300231311 is 11313200301221.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-12210300231311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210300231317) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8581691 + ... + 9902828.

It is an arithmetic number, because the mean of its divisors is an integer number (342952541820).

Almost surely, 212210300231311 is an apocalyptic number.

12210300231311 is a deficient number, since it is larger than the sum of its proper divisors (4251421776049).

12210300231311 is a wasteful number, since it uses less digits than its factorization.

12210300231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484624 (or 18484617 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 12210300231311 its reverse (11313200301221), we get a palindrome (23523500532532).

The spelling of 12210300231311 in words is "twelve trillion, two hundred ten billion, three hundred million, two hundred thirty-one thousand, three hundred eleven".

Divisors: 1 7 13 17 49 61 91 119 221 427 637 793 833 1037 1547 2989 5551 7259 10829 13481 38857 50813 94367 660569 18484519 129391633 240298747 314236823 905741431 1127555659 1682091229 2199657761 4085078699 7892889613 11774638603 14658223567 15397604327 19168446203 28595550893 55250227291 102607564969 134179123421 200168856251 249189800639 718252954783 939253863947 1744328604473 12210300231311