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12122141000 = 235363119211
BaseRepresentation
bin10110100101000100…
…10011000101001000
31011021210221120022012
423102202103011020
5144311232003000
65322511315052
7606253332644
oct132242230510
934253846265
1012122141000
1151606a5a52
12242381ba88
1311b255b0c8
1482dd33c24
154ae34a735
hex2d2893148

12122141000 has 64 divisors (see below), whose sum is σ = 28412242560. Its totient is φ = 4840920000.

The previous prime is 12122140991. The next prime is 12122141011. The reversal of 12122141000 is 14122121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621395 + ... + 640605.

It is an arithmetic number, because the mean of its divisors is an integer number (443941290).

Almost surely, 212122141000 is an apocalyptic number.

12122141000 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 12122141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14206121280).

12122141000 is an abundant number, since it is smaller than the sum of its proper divisors (16290101560).

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

12122141000 is a wasteful number, since it uses less digits than its factorization.

12122141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19863 (or 19849 counting only the distinct ones).

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

Adding to 12122141000 its reverse (14122121), we get a palindrome (12136263121).

The spelling of 12122141000 in words is "twelve billion, one hundred twenty-two million, one hundred forty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 631 1000 1262 2524 3155 5048 6310 12620 15775 19211 25240 31550 38422 63100 76844 78875 96055 126200 153688 157750 192110 315500 384220 480275 631000 768440 960550 1921100 2401375 3842200 4802750 9605500 12122141 19211000 24244282 48488564 60610705 96977128 121221410 242442820 303053525 484885640 606107050 1212214100 1515267625 2424428200 3030535250 6061070500 12122141000