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12123132011130 = 235728247028579
BaseRepresentation
bin1011000001101010001011…
…1110100010001001111010
31120220221220220200100212010
42300122202332202021322
53042111133243324010
641441142344230350
72360603340565500
oct260324276421172
946827826610763
1012123132011130
113954433a75278
12143966446b3b6
1369c28b72c47a
142dca96c92670
1516053cd44620
hexb06a2fa227a

12123132011130 has 48 divisors (see below), whose sum is σ = 33845805292320. Its totient is φ = 2771001602208.

The previous prime is 12123132011101. The next prime is 12123132011161. The reversal of 12123132011130 is 3111023132121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12123132011097 and 12123132011106.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4123512820 + ... + 4123515759.

It is an arithmetic number, because the mean of its divisors is an integer number (705120943590).

Almost surely, 212123132011130 is an apocalyptic number.

12123132011130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123132011130 is an abundant number, since it is smaller than the sum of its proper divisors (21722673281190).

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

12123132011130 is a wasteful number, since it uses less digits than its factorization.

12123132011130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247028603 (or 8247028596 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12123132011130 its reverse (3111023132121), we get a palindrome (15234155143251).

The spelling of 12123132011130 in words is "twelve trillion, one hundred twenty-three billion, one hundred thirty-two million, eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 8247028579 16494057158 24741085737 41235142895 49482171474 57729200053 82470285790 115458400106 123705428685 173187600159 247410857370 288646000265 346375200318 404104400371 577292000530 808208800742 865938000795 1212313201113 1731876001590 2020522001855 2424626402226 4041044003710 6061566005565 12123132011130