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120120221010 = 23533053121139
BaseRepresentation
bin110111111011110111…
…0010001110101010010
3102111001101101110201110
41233313232101311102
53432001234033020
6131103225114150
711451456013656
oct1576756216522
9374041343643
10120120221010
1146a40807a29
121b344028956
13b43408aa6a
145b572bca66
1531d08018e0
hex1bf7b91d52

120120221010 has 32 divisors (see below), whose sum is σ = 288299632320. Its totient is φ = 32030825408.

The previous prime is 120120220937. The next prime is 120120221027. The reversal of 120120221010 is 10122021021.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 931021 + ... + 1052159.

It is an arithmetic number, because the mean of its divisors is an integer number (9009363510).

Almost surely, 2120120221010 is an apocalyptic number.

120120221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120120221010 is an abundant number, since it is smaller than the sum of its proper divisors (168179411310).

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

120120221010 is a wasteful number, since it uses less digits than its factorization.

120120221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154202.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120120221010 its reverse (10122021021), we get a palindrome (130242242031).

The spelling of 120120221010 in words is "one hundred twenty billion, one hundred twenty million, two hundred twenty-one thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 33053 66106 99159 121139 165265 198318 242278 330530 363417 495795 605695 726834 991590 1211390 1817085 3634170 4004007367 8008014734 12012022101 20020036835 24024044202 40040073670 60060110505 120120221010