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12203132200 = 2352711517573
BaseRepresentation
bin10110101110101110…
…10000010100101000
31011111110100100100021
423113113100110220
5144443000212300
65334523250224
7611255624620
oct132727202450
934443310307
1012203132200
1151a2393926
122446979974
1311c62776ac
1483a9b7880
154b64e7d1a
hex2d75d0528

12203132200 has 96 divisors (see below), whose sum is σ = 32457922560. Its totient is φ = 4179744000.

The previous prime is 12203132197. The next prime is 12203132203. The reversal of 12203132200 is 223130221.

It is an interprime number because it is at equal distance from previous prime (12203132197) and next prime (12203132203).

It is not an unprimeable number, because it can be changed into a prime (12203132203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1607614 + ... + 1615186.

It is an arithmetic number, because the mean of its divisors is an integer number (338103360).

Almost surely, 212203132200 is an apocalyptic number.

12203132200 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 12203132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16228961280).

12203132200 is an abundant number, since it is smaller than the sum of its proper divisors (20254790360).

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

12203132200 is a wasteful number, since it uses less digits than its factorization.

12203132200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747 (or 8738 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12203132200 its reverse (223130221), we get a palindrome (12426262421).

The spelling of 12203132200 in words is "twelve billion, two hundred three million, one hundred thirty-two thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1151 1400 2302 4604 5755 7573 8057 9208 11510 15146 16114 23020 28775 30292 32228 37865 40285 46040 53011 57550 60584 64456 75730 80570 106022 115100 151460 161140 189325 201425 212044 230200 265055 302920 322280 378650 402850 424088 530110 757300 805700 1060220 1325275 1514600 1611400 2120440 2650550 5301100 8716523 10602200 17433046 34866092 43582615 61015661 69732184 87165230 122031322 174330460 217913075 244062644 305078305 348660920 435826150 488125288 610156610 871652300 1220313220 1525391525 1743304600 2440626440 3050783050 6101566100 12203132200