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2112102012012 = 223176008501001
BaseRepresentation
bin11110101111000011000…
…101110001010001101100
321110220201000120002201220
4132233003011301101230
5234101041103341022
64254141500103340
7305410566612306
oct36570305612154
97426630502656
102112102012012
11744812583703
122a140a834b50
1312422a3a4b65
1474324cc4976
1539e198d885c
hex1ebc317146c

2112102012012 has 12 divisors (see below), whose sum is σ = 4928238028056. Its totient is φ = 704034004000.

The previous prime is 2112102011989. The next prime is 2112102012023. The reversal of 2112102012012 is 2102102012112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2112102011982 and 2112102012000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88004250489 + ... + 88004250512.

It is an arithmetic number, because the mean of its divisors is an integer number (410686502338).

Almost surely, 22112102012012 is an apocalyptic number.

It is an amenable number.

2112102012012 is an abundant number, since it is smaller than the sum of its proper divisors (2816136016044).

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

2112102012012 is a wasteful number, since it uses less digits than its factorization.

2112102012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176008501008 (or 176008501006 counting only the distinct ones).

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

Adding to 2112102012012 its reverse (2102102012112), we get a palindrome (4214204024124).

It can be divided in two parts, 211210 and 2012012, that added together give a palindrome (2223222).

The spelling of 2112102012012 in words is "two trillion, one hundred twelve billion, one hundred two million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 176008501001 352017002002 528025503003 704034004004 1056051006006 2112102012012