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12100200200 = 23521113939569
BaseRepresentation
bin10110100010011101…
…00110011100001000
31011020021122212011222
423101032212130020
5144240122401300
65320405141212
7605566001414
oct132116463410
934207585158
1012100200200
11514a27a560
1224183ba808
1311aab4849a
1482b061d44
154ac464785
hex2d13a6708

12100200200 has 96 divisors (see below), whose sum is σ = 30912084000. Its totient is φ = 4368307200.

The previous prime is 12100200193. The next prime is 12100200227. The reversal of 12100200200 is 200200121.

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, 286016 + ... + 325584.

It is an arithmetic number, because the mean of its divisors is an integer number (322000875).

Almost surely, 212100200200 is an apocalyptic number.

12100200200 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 12100200200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15456042000).

12100200200 is an abundant number, since it is smaller than the sum of its proper divisors (18811883800).

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

12100200200 is a wasteful number, since it uses less digits than its factorization.

12100200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39735 (or 39726 counting only the distinct ones).

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

Adding to 12100200200 its reverse (200200121), we get a palindrome (12300400321).

The spelling of 12100200200 in words is "twelve billion, one hundred million, two hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 139 200 220 275 278 440 550 556 695 1100 1112 1390 1529 2200 2780 3058 3475 5560 6116 6950 7645 12232 13900 15290 27800 30580 38225 39569 61160 76450 79138 152900 158276 197845 305800 316552 395690 435259 791380 870518 989225 1582760 1741036 1978450 2176295 3482072 3956900 4352590 5500091 7913800 8705180 10881475 11000182 17410360 21762950 22000364 27500455 43525900 44000728 55000910 60501001 87051800 110001820 121002002 137502275 220003640 242004004 275004550 302505005 484008008 550009100 605010010 1100018200 1210020020 1512525025 2420040040 3025050050 6050100100 12100200200