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12201201122010 = 235977416281171
BaseRepresentation
bin1011000110001101000001…
…0000100011101011011010
31121012102102200111002221020
42301203100100203223122
53044401024441401020
641541053204223310
72366336065226655
oct261432020435332
947172380432836
1012201201122010
113984555a4881a
12145081169ab36
136a6750806b34
1430278140289c
151625aba52c40
hexb18d0423ada

12201201122010 has 32 divisors (see below), whose sum is σ = 29312855007552. Its totient is φ = 3250323375360.

The previous prime is 12201201121997. The next prime is 12201201122027. The reversal of 12201201122010 is 1022110210221.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208111276 + ... + 208169895.

It is an arithmetic number, because the mean of its divisors is an integer number (916026718986).

Almost surely, 212201201122010 is an apocalyptic number.

12201201122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201201122010 is an abundant number, since it is smaller than the sum of its proper divisors (17111653885542).

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

12201201122010 is a wasteful number, since it uses less digits than its factorization.

12201201122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416282158.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201201122010 its reverse (1022110210221), we get a palindrome (13223311332231).

The spelling of 12201201122010 in words is "twelve trillion, two hundred one billion, two hundred one million, one hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 977 1954 2931 4885 5862 9770 14655 29310 416281171 832562342 1248843513 2081405855 2497687026 4162811710 6244217565 12488435130 406706704067 813413408134 1220120112201 2033533520335 2440240224402 4067067040670 6100600561005 12201201122010