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20122010210112 = 2633141267130871
BaseRepresentation
bin1001001001101000001010…
…10001010100111101000000
32122020122102111012101000120
410210310011101110331000
510114134334103210422
6110443531320220240
74144524112502106
oct444640521247500
978218374171016
1020122010210112
116458773202828
12230b94460a680
13b2c660aab835
144d7ca6559c76
1524d64656945c
hex124d05454f40

20122010210112 has 224 divisors, whose sum is σ = 56320201555968. Its totient is φ = 6330078720000.

The previous prime is 20122010210087. The next prime is 20122010210161. The reversal of 20122010210112 is 21101201022102.

It is a junction number, because it is equal to n+sod(n) for n = 20122010210091 and 20122010210100.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 651794037 + ... + 651824907.

It is an arithmetic number, because the mean of its divisors is an integer number (251429471232).

Almost surely, 220122010210112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122010210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28160100777984).

20122010210112 is an abundant number, since it is smaller than the sum of its proper divisors (36198191345856).

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

20122010210112 is a wasteful number, since it uses less digits than its factorization.

20122010210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33629 (or 33619 counting only the distinct ones).

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

Adding to 20122010210112 its reverse (21101201022102), we get a palindrome (41223211232214).

The spelling of 20122010210112 in words is "twenty trillion, one hundred twenty-two billion, ten million, two hundred ten thousand, one hundred twelve".