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12110100200 = 23521129318787
BaseRepresentation
bin10110100011101000…
…10111011011101000
31011020222021211102122
423101310113123220
5144300141201300
65321401250412
7606046103402
oct132164273350
934228254378
1012110100200
115154921580
12241b793a08
1311acc03683
1482c4bbb72
154ad26cc85
hex2d1d176e8

12110100200 has 96 divisors (see below), whose sum is σ = 30822089760. Its totient is φ = 4388409600.

The previous prime is 12110100187. The next prime is 12110100239. The reversal of 12110100200 is 200101121.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 635207 + ... + 653993.

It is an arithmetic number, because the mean of its divisors is an integer number (321063435).

Almost surely, 212110100200 is an apocalyptic number.

12110100200 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 12110100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15411044880).

12110100200 is an abundant number, since it is smaller than the sum of its proper divisors (18711989560).

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

12110100200 is a wasteful number, since it uses less digits than its factorization.

12110100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19107 (or 19098 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12110100200 its reverse (200101121), we get a palindrome (12310201321).

The spelling of 12110100200 in words is "twelve billion, one hundred ten million, one hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 293 440 550 586 1100 1172 1465 2200 2344 2930 3223 5860 6446 7325 11720 12892 14650 16115 18787 25784 29300 32230 37574 58600 64460 75148 80575 93935 128920 150296 161150 187870 206657 322300 375740 413314 469675 644600 751480 826628 939350 1033285 1653256 1878700 2066570 3757400 4133140 5166425 5504591 8266280 10332850 11009182 20665700 22018364 27522955 41331400 44036728 55045910 60550501 110091820 121101002 137614775 220183640 242202004 275229550 302752505 484404008 550459100 605505010 1100918200 1211010020 1513762525 2422020040 3027525050 6055050100 12110100200