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20110112002212 = 2231798578980403
BaseRepresentation
bin1001001001010010000000…
…00101010001000010100100
32122012111201021121210011220
410210221000011101002210
510113441002133032322
6110434242524300340
74143623215423251
oct444510005210244
978174637553156
1020110112002212
116453717a57061
1223095839a16b0
13b2b4b5a6742b
144d7498278428
1524d19bc0455c
hex124a401510a4

20110112002212 has 24 divisors (see below), whose sum is σ = 49683806123616. Its totient is φ = 6309054745728.

The previous prime is 20110112002157. The next prime is 20110112002243. The reversal of 20110112002212 is 21220021101102.

It is a super-2 number, since 2×201101120022122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20110112002191 and 20110112002200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49289489998 + ... + 49289490405.

It is an arithmetic number, because the mean of its divisors is an integer number (2070158588484).

Almost surely, 220110112002212 is an apocalyptic number.

It is an amenable number.

20110112002212 is an abundant number, since it is smaller than the sum of its proper divisors (29573694121404).

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

20110112002212 is a wasteful number, since it uses less digits than its factorization.

20110112002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98578980427 (or 98578980425 counting only the distinct ones).

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

Adding to 20110112002212 its reverse (21220021101102), we get a palindrome (41330133103314).

The spelling of 20110112002212 in words is "twenty trillion, one hundred ten billion, one hundred twelve million, two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 98578980403 197157960806 295736941209 394315921612 591473882418 1182947764836 1675842666851 3351685333702 5027528000553 6703370667404 10055056001106 20110112002212