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212001121120120 = 2355300028028003
BaseRepresentation
bin110000001101000001011011…
…100001000010111101111000
31000210122002221122021222001021
4300031001123201002331320
5210241411244001320440
62030515545345032224
762440401261566023
oct6015013341027570
91023562848258037
10212001121120120
1161606197018302
121b93b2a2625674
13913a80a015647
143a4cca247c1ba
15197998061884a
hexc0d05b842f78

212001121120120 has 16 divisors (see below), whose sum is σ = 477002522520360. Its totient is φ = 84800448448032.

The previous prime is 212001121120109. The next prime is 212001121120133. The reversal of 212001121120120 is 21021121100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001121120094 and 212001121120103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650014013962 + ... + 2650014014041.

Almost surely, 2212001121120120 is an apocalyptic number.

212001121120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001121120120 is an abundant number, since it is smaller than the sum of its proper divisors (265001401400240).

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

212001121120120 is a wasteful number, since it uses less digits than its factorization.

212001121120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300028028014 (or 5300028028010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212001121120120 its reverse (21021121100212), we get a palindrome (233022242220332).

The spelling of 212001121120120 in words is "two hundred twelve trillion, one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 5300028028003 10600056056006 21200112112012 26500140140015 42400224224024 53000280280030 106000560560060 212001121120120