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12210100200 = 23325231218819
BaseRepresentation
bin10110101111100011…
…10101011111101000
31011111221110100122100
423113301311133220
5200001241201300
65335332453400
7611402065524
oct132761653750
934457410570
1012210100200
1151a6313001
12244917a260
1311c784717c
1483b8acd84
154b6e22700
hex2d7c757e8

12210100200 has 144 divisors (see below), whose sum is σ = 42328540800. Its totient is φ = 3150979200.

The previous prime is 12210100171. The next prime is 12210100237. The reversal of 12210100200 is 200101221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53610 + ... + 165209.

It is an arithmetic number, because the mean of its divisors is an integer number (293948200).

Almost surely, 212210100200 is an apocalyptic number.

12210100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210100200 is an abundant number, since it is smaller than the sum of its proper divisors (30118440600).

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

12210100200 is a wasteful number, since it uses less digits than its factorization.

12210100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218872 (or 218860 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12210100200 its reverse (200101221), we get a palindrome (12410201421).

The spelling of 12210100200 in words is "twelve billion, two hundred ten million, one hundred thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 31 36 40 45 50 60 62 72 75 90 93 100 120 124 150 155 180 186 200 225 248 279 300 310 360 372 450 465 558 600 620 744 775 900 930 1116 1240 1395 1550 1800 1860 2232 2325 2790 3100 3720 4650 5580 6200 6975 9300 11160 13950 18600 27900 55800 218819 437638 656457 875276 1094095 1312914 1750552 1969371 2188190 2625828 3282285 3938742 4376380 5251656 5470475 6564570 6783389 7877484 8752760 9846855 10940950 13129140 13566778 15754968 16411425 19693710 20350167 21881900 26258280 27133556 32822850 33916945 39387420 40700334 43763800 49234275 54267112 61050501 65645700 67833890 78774840 81400668 98468550 101750835 122101002 131291400 135667780 162801336 169584725 196937100 203501670 244202004 271335560 305252505 339169450 393874200 407003340 488404008 508754175 610505010 678338900 814006680 1017508350 1221010020 1356677800 1526262525 2035016700 2442020040 3052525050 4070033400 6105050100 12210100200