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12130422154212 = 2231965835142197
BaseRepresentation
bin1011000010000101010110…
…0000001110001111100100
31120221122201222101000010110
42300201111200032033210
53042221101032413322
641444350005253020
72361252112022115
oct260412540161744
946848658330113
1012130422154212
11395753508070a
12143ab59a04170
1369cb80b917bb
142dd18917820c
15160817d71c0c
hexb085580e3e4

12130422154212 has 24 divisors (see below), whose sum is σ = 28304467845696. Its totient is φ = 4043452696288.

The previous prime is 12130422154177. The next prime is 12130422154241. The reversal of 12130422154212 is 21245122403121.

It is a self number, because there is not a number n which added to its sum of digits gives 12130422154212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212103 + ... + 4930094.

It is an arithmetic number, because the mean of its divisors is an integer number (1179352826904).

Almost surely, 212130422154212 is an apocalyptic number.

12130422154212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12130422154212 is an abundant number, since it is smaller than the sum of its proper divisors (16174045691484).

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

12130422154212 is a wasteful number, since it uses less digits than its factorization.

12130422154212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338787 (or 5338785 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 12130422154212 its reverse (21245122403121), we get a palindrome (33375544557333).

The spelling of 12130422154212 in words is "twelve trillion, one hundred thirty billion, four hundred twenty-two million, one hundred fifty-four thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 196583 393166 589749 786332 1179498 2358996 5142197 10284394 15426591 20568788 30853182 61706364 1010868512851 2021737025702 3032605538553 4043474051404 6065211077106 12130422154212