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20122010212012 = 2237332713474789
BaseRepresentation
bin1001001001101000001010…
…10001010101011010101100
32122020122102111012110121221
410210310011101111122230
510114134334103241022
6110443531320233124
74144524112510462
oct444640521253254
978218374173557
1020122010212012
1164587732041a5
12230b94460b7a4
13b2c660aac667
144d7ca655a832
1524d646569cc7
hex124d054556ac

20122010212012 has 12 divisors (see below), whose sum is σ = 35213614807840. Its totient is φ = 10060977409776.

The previous prime is 20122010211977. The next prime is 20122010212019. The reversal of 20122010212012 is 21021201022102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20122010212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5244087 + ... + 8230702.

Almost surely, 220122010212012 is an apocalyptic number.

It is an amenable number.

20122010212012 is a deficient number, since it is larger than the sum of its proper divisors (15091604595828).

20122010212012 is a wasteful number, since it uses less digits than its factorization.

20122010212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13848120 (or 13848118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20122010212012 its reverse (21021201022102), we get a palindrome (41143211234114).

The spelling of 20122010212012 in words is "twenty trillion, one hundred twenty-two billion, ten million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 373327 746654 1493308 13474789 26949578 53899156 5030502553003 10061005106006 20122010212012