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2012113102021 = 11260727395443
BaseRepresentation
bin11101010001111011010…
…010010110010011000101
321010100121121210012010021
4131101323102112103011
5230431301423231041
64140204010455141
7265241016113221
oct35217322262305
97110547705107
102012113102021
11706372432700
12285b647344b1
13117983c79169
146d55b50d781
153751663ecd1
hex1d47b4964c5

2012113102021 has 12 divisors (see below), whose sum is σ = 2215305183616. Its totient is φ = 1826180163720.

The previous prime is 2012113102019. The next prime is 2012113102031. The reversal of 2012113102021 is 1202013112102.

It is not a de Polignac number, because 2012113102021 - 21 = 2012113102019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012113101986 and 2012113102004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012113102031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13624275 + ... + 13771168.

Almost surely, 22012113102021 is an apocalyptic number.

It is an amenable number.

2012113102021 is a deficient number, since it is larger than the sum of its proper divisors (203192081595).

2012113102021 is a wasteful number, since it uses less digits than its factorization.

2012113102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396072 (or 27396061 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2012113102021 its reverse (1202013112102), we get a palindrome (3214126214123).

The spelling of 2012113102021 in words is "two trillion, twelve billion, one hundred thirteen million, one hundred two thousand, twenty-one".

Divisors: 1 11 121 607 6677 73447 27395443 301349873 3314848603 16629033901 182919372911 2012113102021