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12122132300 = 2252245949297
BaseRepresentation
bin10110100101000100…
…10000111101001100
31011021210221010100222
423102202100331030
5144311231213200
65322511210512
7606253265405
oct132242207514
934253833328
1012122132300
11516069a463
122423816a38
1311b2557165
1482dd309ac
154ae347d85
hex2d2890f4c

12122132300 has 36 divisors (see below), whose sum is σ = 26316258360. Its totient is φ = 4846782720.

The previous prime is 12122132293. The next prime is 12122132329. The reversal of 12122132300 is 323122121.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221252 + ... + 270548.

Almost surely, 212122132300 is an apocalyptic number.

12122132300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122132300 is an abundant number, since it is smaller than the sum of its proper divisors (14194126060).

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

12122132300 is a wasteful number, since it uses less digits than its factorization.

12122132300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51770 (or 51763 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12122132300 its reverse (323122121), we get a palindrome (12445254421).

The spelling of 12122132300 in words is "twelve billion, one hundred twenty-two million, one hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2459 4918 9836 12295 24590 49180 49297 61475 98594 122950 197188 245900 246485 492970 985940 1232425 2464850 4929700 121221323 242442646 484885292 606106615 1212213230 2424426460 3030533075 6061066150 12122132300