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212001201111020 = 22533160752758403
BaseRepresentation
bin110000001101000001100000…
…010010001011111111101100
31000210122010011012210220221012
4300031001200102023333230
5210241411424441023040
62030520001323324352
762440403252523446
oct6015014022137754
91023563135726835
10212001201111020
1161606228192692
121b93b3053806b8
13913a820771839
143a4ccacd41496
151979987669865
hexc0d06048bfec

212001201111020 has 48 divisors (see below), whose sum is σ = 447283216708608. Its totient is φ = 84405001855680.

The previous prime is 212001201110989. The next prime is 212001201111121. The reversal of 212001201111020 is 20111102100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001201110986 and 212001201111004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22360862 + ... + 30397541.

It is an arithmetic number, because the mean of its divisors is an integer number (9318400348096).

Almost surely, 2212001201111020 is an apocalyptic number.

212001201111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001201111020 is an abundant number, since it is smaller than the sum of its proper divisors (235282015597588).

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

212001201111020 is a wasteful number, since it uses less digits than its factorization.

212001201111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52759350 (or 52759348 counting only the distinct ones).

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

Adding to 212001201111020 its reverse (20111102100212), we get a palindrome (232112303211232).

The spelling of 212001201111020 in words is "two hundred twelve trillion, one billion, two hundred one million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 331 607 662 1214 1324 1655 2428 3035 3310 6070 6620 12140 200917 401834 803668 1004585 2009170 4018340 52758403 105516806 211033612 263792015 527584030 1055168060 17463031393 32024350621 34926062786 64048701242 69852125572 87315156965 128097402484 160121753105 174630313930 320243506210 349260627860 640487012420 10600060055551 21200120111102 42400240222204 53000300277755 106000600555510 212001201111020