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2011012212012 = 223167584351001
BaseRepresentation
bin11101010000111001101…
…010110010010100101100
321010020202220021011221020
4131100321222302110230
5230422023111241022
64135502442534140
7265201520522316
oct35207152622454
97106686234836
102011012212012
11705957a6a751
122858b7b07350
13117839b7635b
146d49521c7b6
153749eb8035c
hex1d439ab252c

2011012212012 has 12 divisors (see below), whose sum is σ = 4692361828056. Its totient is φ = 670337404000.

The previous prime is 2011012211969. The next prime is 2011012212037. The reversal of 2011012212012 is 2102122101102.

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

It is a super-2 number, since 2×20110122120122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011012211982 and 2011012212000.

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, 83792175489 + ... + 83792175512.

It is an arithmetic number, because the mean of its divisors is an integer number (391030152338).

Almost surely, 22011012212012 is an apocalyptic number.

It is an amenable number.

2011012212012 is an abundant number, since it is smaller than the sum of its proper divisors (2681349616044).

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

2011012212012 is a wasteful number, since it uses less digits than its factorization.

2011012212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167584351008 (or 167584351006 counting only the distinct ones).

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

Adding to 2011012212012 its reverse (2102122101102), we get a palindrome (4113134313114).

The spelling of 2011012212012 in words is "two trillion, eleven billion, twelve million, two hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 167584351001 335168702002 502753053003 670337404004 1005506106006 2011012212012