Search a number
-
+
12102210212000 = 25533889777977
BaseRepresentation
bin1011000000011100001111…
…1100001101000010100000
31120211221220211121211220212
42300013003330031002200
53041240311303241000
641423402325353252
72356233023331536
oct260070374150240
946757824554825
1012102210212000
113946578184997
1214355a5868828
1369a306097b7c
142dba703b8156
1515ec161e2c35
hexb01c3f0d0a0

12102210212000 has 96 divisors (see below), whose sum is σ = 29742814679760. Its totient is φ = 4839633100800.

The previous prime is 12102210211979. The next prime is 12102210212039. The reversal of 12102210212000 is 21201220121.

It can be written as a sum of positive squares in 8 ways, for example, as 14377928464 + 12087832283536 = 119908^2 + 3476756^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15167012 + ... + 15944988.

Almost surely, 212102210212000 is an apocalyptic number.

12102210212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102210212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14871407339880).

12102210212000 is an abundant number, since it is smaller than the sum of its proper divisors (17640604467760).

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

12102210212000 is an equidigital number, since it uses as much as digits as its factorization.

12102210212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781891 (or 781873 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12102210212000 its reverse (21201220121), we get a palindrome (12123411432121).

The spelling of 12102210212000 in words is "twelve trillion, one hundred two billion, two hundred ten million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 3889 4000 7778 15556 19445 31112 38890 62224 77780 97225 124448 155560 194450 311120 388900 486125 622240 777800 777977 972250 1555600 1555954 1944500 3111200 3111908 3889000 3889885 6223816 7778000 7779770 12447632 15556000 15559540 19449425 24895264 31119080 38898850 62238160 77797700 97247125 124476320 155595400 194494250 311190800 388988500 622381600 777977000 1555954000 3025552553 3111908000 6051105106 12102210212 15127762765 24204420424 30255525530 48408840848 60511051060 75638813825 96817681696 121022102120 151277627650 242044204240 302555255300 378194069125 484088408480 605110510600 756388138250 1210221021200 1512776276500 2420442042400 3025552553000 6051105106000 12102210212000