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1230101101200 = 243522514084001
BaseRepresentation
bin10001111001100111101…
…111010011101010010000
311100121002212020111010110
4101321213233103222100
5130123221340214300
62341033423401320
7154605023561406
oct21714757235220
94317085214113
101230101101200
11434757003a34
1217a49a453240
138bcc88ba8aa
144377416d476
1521ee7635550
hex11e67bd3a90

1230101101200 has 120 divisors (see below), whose sum is σ = 3956123729376. Its totient is φ = 326720000000.

The previous prime is 1230101101193. The next prime is 1230101101223. The reversal of 1230101101200 is 21011010321.

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 (12).

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, 1740801 + ... + 2343200.

Almost surely, 21230101101200 is an apocalyptic number.

1230101101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230101101200 is an abundant number, since it is smaller than the sum of its proper divisors (2726022628176).

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

1230101101200 is a wasteful number, since it uses less digits than its factorization.

1230101101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084273 (or 4084262 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1230101101200 its reverse (21011010321), we get a palindrome (1251112111521).

The spelling of 1230101101200 in words is "one trillion, two hundred thirty billion, one hundred one million, one 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 80 100 120 150 200 240 251 300 400 502 600 753 1004 1200 1255 1506 2008 2510 3012 3765 4016 5020 6024 6275 7530 10040 12048 12550 15060 18825 20080 25100 30120 37650 50200 60240 75300 100400 150600 301200 4084001 8168002 12252003 16336004 20420005 24504006 32672008 40840010 49008012 61260015 65344016 81680020 98016024 102100025 122520030 163360040 196032048 204200050 245040060 306300075 326720080 408400100 490080120 612600150 816800200 980160240 1025084251 1225200300 1633600400 2050168502 2450400600 3075252753 4100337004 4900801200 5125421255 6150505506 8200674008 10250842510 12301011012 15376263765 16401348016 20501685020 24602022024 25627106275 30752527530 41003370040 49204044048 51254212550 61505055060 76881318825 82006740080 102508425100 123010110120 153762637650 205016850200 246020220240 307525275300 410033700400 615050550600 1230101101200