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212001202223120 = 2453206478264587
BaseRepresentation
bin110000001101000001100000…
…010110011011100000010000
31000210122010011021220102110002
4300031001200112123200100
5210241411430232114440
62030520001403225132
762440403265134642
oct6015014026334020
91023563137812402
10212001202223120
1161606228882182
121b93b3058181a8
13913a820a70a9b
143a4ccad150892
1519799877d9115
hexc0d06059b810

212001202223120 has 40 divisors (see below), whose sum is σ = 492904392022464. Its totient is φ = 84800206161792.

The previous prime is 212001202223119. The next prime is 212001202223159. The reversal of 212001202223120 is 21322202100212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212001202223092 and 212001202223101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21519467 + ... + 29784053.

Almost surely, 2212001202223120 is an apocalyptic number.

212001202223120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212001202223120 is an abundant number, since it is smaller than the sum of its proper divisors (280903189799344).

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

212001202223120 is a wasteful number, since it uses less digits than its factorization.

212001202223120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8585247 (or 8585241 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212001202223120 its reverse (21322202100212), we get a palindrome (233323404323332).

The spelling of 212001202223120 in words is "two hundred twelve trillion, one billion, two hundred two million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 320647 641294 1282588 1603235 2565176 3206470 5130352 6412940 8264587 12825880 16529174 25651760 33058348 41322935 66116696 82645870 132233392 165291740 330583480 661166960 2650015027789 5300030055578 10600060111156 13250075138945 21200120222312 26500150277890 42400240444624 53000300555780 106000601111560 212001202223120