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12201133200 = 2435214968239
BaseRepresentation
bin10110101110011111…
…01000010010010000
31011111022120210020020
423113033220102100
5144441442230300
65334412343440
7611232630624
oct132717502220
934438523206
1012201133200
1151a1248a63
122446174b80
1311c5a27859
1483a617184
154b62508a0
hex2d73e8490

12201133200 has 120 divisors (see below), whose sum is σ = 39347184000. Its totient is φ = 3231751680.

The previous prime is 12201133181. The next prime is 12201133207. The reversal of 12201133200 is 233110221.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12201133200.

It is not an unprimeable number, because it can be changed into a prime (12201133207) 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, 144681 + ... + 212919.

It is an arithmetic number, because the mean of its divisors is an integer number (327893200).

Almost surely, 212201133200 is an apocalyptic number.

12201133200 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 12201133200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19673592000).

12201133200 is an abundant number, since it is smaller than the sum of its proper divisors (27146050800).

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

12201133200 is a wasteful number, since it uses less digits than its factorization.

12201133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68409 (or 68398 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12201133200 its reverse (233110221), we get a palindrome (12434243421).

The spelling of 12201133200 in words is "twelve billion, two hundred one million, one hundred thirty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 149 150 200 240 298 300 400 447 596 600 745 894 1192 1200 1490 1788 2235 2384 2980 3576 3725 4470 5960 7152 7450 8940 11175 11920 14900 17880 22350 29800 35760 44700 59600 68239 89400 136478 178800 204717 272956 341195 409434 545912 682390 818868 1023585 1091824 1364780 1637736 1705975 2047170 2729560 3275472 3411950 4094340 5117925 5459120 6823900 8188680 10167611 10235850 13647800 16377360 20335222 20471700 27295600 30502833 40670444 40943400 50838055 61005666 81340888 81886800 101676110 122011332 152514165 162681776 203352220 244022664 254190275 305028330 406704440 488045328 508380550 610056660 762570825 813408880 1016761100 1220113320 1525141650 2033522200 2440226640 3050283300 4067044400 6100566600 12201133200