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1230201301200 = 243529831042897
BaseRepresentation
bin10001111001101101101…
…101100010100011010000
311100121100211210011200120
4101321231231202203100
5130123423013114300
62341051403150240
7154610351345604
oct21715555424320
94317324704616
101230201301200
114347a8621753
1217a507b15380
138c0135a1431
14437835b3504
15220013293a0
hex11e6db628d0

1230201301200 has 120 divisors (see below), whose sum is σ = 3944757513408. Its totient is φ = 327719639040.

The previous prime is 1230201301193. The next prime is 1230201301201. The reversal of 1230201301200 is 21031020321.

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 1230201301200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230201301201) 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, 658152 + ... + 1701048.

Almost surely, 21230201301200 is an apocalyptic number.

1230201301200 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 1230201301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1972378756704).

1230201301200 is an abundant number, since it is smaller than the sum of its proper divisors (2714556212208).

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

1230201301200 is a wasteful number, since it uses less digits than its factorization.

1230201301200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043901 (or 1043890 counting only the distinct ones).

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

Adding to 1230201301200 its reverse (21031020321), we get a palindrome (1251232321521).

The spelling of 1230201301200 in words is "one trillion, two hundred thirty billion, two hundred one million, three hundred one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 983 1200 1966 2949 3932 4915 5898 7864 9830 11796 14745 15728 19660 23592 24575 29490 39320 47184 49150 58980 73725 78640 98300 117960 147450 196600 235920 294900 393200 589800 1042897 1179600 2085794 3128691 4171588 5214485 6257382 8343176 10428970 12514764 15643455 16686352 20857940 25029528 26072425 31286910 41715880 50059056 52144850 62573820 78217275 83431760 104289700 125147640 156434550 208579400 250295280 312869100 417158800 625738200 1025167751 1251476400 2050335502 3075503253 4100671004 5125838755 6151006506 8201342008 10251677510 12302013012 15377516265 16402684016 20503355020 24604026024 25629193775 30755032530 41006710040 49208052048 51258387550 61510065060 76887581325 82013420080 102516775100 123020130120 153775162650 205033550200 246040260240 307550325300 410067100400 615100650600 1230201301200