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120212100111200 = 2552187780056007
BaseRepresentation
bin11011010101010100001111…
…100001100101101101100000
3120202122011102221120001112112
4123111110033201211231200
5111224023340112024300
61103400402034214452
734215015622322246
oct3325241741455540
9522564387501475
10120212100111200
1135337735654009
1211595ab1124428
13520cc4c562956
14219842218c796
15dd6ed5022e35
hex6d550f865b60

120212100111200 has 72 divisors (see below), whose sum is σ = 293624142445872. Its totient is φ = 48059221521920.

The previous prime is 120212100111143. The next prime is 120212100111223. The reversal of 120212100111200 is 2111001212021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38526404 + ... + 41529603.

It is an arithmetic number, because the mean of its divisors is an integer number (4078113089526).

Almost surely, 2120212100111200 is an apocalyptic number.

120212100111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212100111200 is an abundant number, since it is smaller than the sum of its proper divisors (173412042334672).

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

120212100111200 is a wasteful number, since it uses less digits than its factorization.

120212100111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80057904 (or 80057891 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120212100111200 its reverse (2111001212021), we get a palindrome (122323101323221).

The spelling of 120212100111200 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred million, one hundred eleven thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1877 3754 7508 9385 15016 18770 30032 37540 46925 60064 75080 93850 150160 187700 300320 375400 750800 1501600 80056007 160112014 320224028 400280035 640448056 800560070 1280896112 1601120140 2001400175 2561792224 3202240280 4002800350 6404480560 8005600700 12808961120 16011201400 32022402800 64044805600 150265125139 300530250278 601060500556 751325625695 1202121001112 1502651251390 2404242002224 3005302502780 3756628128475 4808484004448 6010605005560 7513256256950 12021210011120 15026512513900 24042420022240 30053025027800 60106050055600 120212100111200