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20120012002112 = 261137376620811
BaseRepresentation
bin1001001001100100011100…
…01010110001001101000000
32122020110021020012212221212
410210302032022301031000
510114121241033031422
6110443001135505252
74144423440142601
oct444621612611500
978213236185855
1020120012002112
11645793827a560
12230b487388228
13b2c402b11039
144d7b57009da8
1524d57ae0c9e2
hex124c8e2b1340

20120012002112 has 56 divisors (see below), whose sum is σ = 43672023940512. Its totient is φ = 9120941222400.

The previous prime is 20120012002087. The next prime is 20120012002151. The reversal of 20120012002112 is 21120021002102.

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 7 ways as a sum of consecutive naturals, for example, 38047814 + ... + 38572997.

Almost surely, 220120012002112 is an apocalyptic number.

20120012002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120012002112 is an abundant number, since it is smaller than the sum of its proper divisors (23552011938400).

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

20120012002112 is a wasteful number, since it uses less digits than its factorization.

20120012002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76621207 (or 76621197 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120012002112 its reverse (21120021002102), we get a palindrome (41240033004214).

The spelling of 20120012002112 in words is "twenty trillion, one hundred twenty billion, twelve million, two thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 373 704 746 1492 2984 4103 5968 8206 11936 16412 23872 32824 65648 131296 262592 76620811 153241622 306483244 612966488 842828921 1225932976 1685657842 2451865952 3371315684 4903731904 6742631368 13485262736 26970525472 28579562503 53941050944 57159125006 114318250012 228636500024 314375187533 457273000048 628750375066 914546000096 1257500750132 1829092000192 2515001500264 5030003000528 10060006001056 20120012002112