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12411188121 = 383973171621
BaseRepresentation
bin10111000111100001…
…11011001110011001
31012000221211200102010
423203300323032121
5200404231004441
65411314500133
7616363233633
oct134360731631
935027750363
1012411188121
115299879372
1224a4594649
13122a3c26c7
1485a495a53
154c98e4116
hex2e3c3b399

12411188121 has 32 divisors (see below), whose sum is σ = 16984130688. Its totient is φ = 8059668480.

The previous prime is 12411188093. The next prime is 12411188123. The reversal of 12411188121 is 12188111421.

It is not a de Polignac number, because 12411188121 - 25 = 12411188089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12411188123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7655691 + ... + 7657311.

It is an arithmetic number, because the mean of its divisors is an integer number (530754084).

Almost surely, 212411188121 is an apocalyptic number.

It is an amenable number.

12411188121 is a deficient number, since it is larger than the sum of its proper divisors (4572942567).

12411188121 is a wasteful number, since it uses less digits than its factorization.

12411188121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its digits is 1024, while the sum is 30.

Adding to 12411188121 its reverse (12188111421), we get a palindrome (24599299542).

The spelling of 12411188121 in words is "twelve billion, four hundred eleven million, one hundred eighty-eight thousand, one hundred twenty-one".

Divisors: 1 3 83 97 249 291 317 951 1621 4863 8051 24153 26311 30749 78933 92247 134543 157237 403629 471711 513857 1541571 2552167 7656501 13050671 39152013 42650131 49844129 127950393 149532387 4137062707 12411188121