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120211120212 = 223232393182009
BaseRepresentation
bin110111111110100100…
…1000010000001010100
3102111021201102121222120
41233331021002001110
53432143021321322
6131120233255540
711453641443141
oct1577511020124
9374251377876
10120211120212
1146a88052937
121b36a5645b0
13b449b66081
145b653c13c8
1531d87a9a5c
hex1bfd242054

120211120212 has 48 divisors (see below), whose sum is σ = 292811863680. Its totient is φ = 38311955968.

The previous prime is 120211120207. The next prime is 120211120213. The reversal of 120211120212 is 212021112021.

It is a junction number, because it is equal to n+sod(n) for n = 120211120191 and 120211120200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569464 + ... + 751472.

It is an arithmetic number, because the mean of its divisors is an integer number (6100247160).

Almost surely, 2120211120212 is an apocalyptic number.

120211120212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120211120212 is an abundant number, since it is smaller than the sum of its proper divisors (172600743468).

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

120211120212 is a wasteful number, since it uses less digits than its factorization.

120211120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184432 (or 184430 counting only the distinct ones).

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

Adding to 120211120212 its reverse (212021112021), we get a palindrome (332232232233).

It can be divided in two parts, 12021112021 and 2, that multiplied together give a palindrome (24042224042).

The spelling of 120211120212 in words is "one hundred twenty billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 2393 4786 7179 9572 14358 28716 55039 110078 165117 182009 220156 330234 364018 546027 660468 728036 1092054 2184108 4186207 8372414 12558621 16744828 25117242 50234484 435547537 871095074 1306642611 1742190148 2613285222 5226570444 10017593351 20035186702 30052780053 40070373404 60105560106 120211120212