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2012100000222 = 231325796153849
BaseRepresentation
bin11101010001111010100…
…000010111100111011110
321010100120201010112211110
4131101322200113213132
5230431240100001342
64140202422002450
7265240466544444
oct35217240274736
97110521115743
102012100000222
11706365aa4074
12285b60276426
1311798133c810
146d55989cb94
1537515402c9c
hex1d47a8179de

2012100000222 has 16 divisors (see below), whose sum is σ = 4333753846800. Its totient is φ = 619107692352.

The previous prime is 2012100000221. The next prime is 2012100000227. The reversal of 2012100000222 is 2220000012102.

It is a junction number, because it is equal to n+sod(n) for n = 2012100000198 and 2012100000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012100000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12898076847 + ... + 12898077002.

It is an arithmetic number, because the mean of its divisors is an integer number (270859615425).

Almost surely, 22012100000222 is an apocalyptic number.

2012100000222 is an abundant number, since it is smaller than the sum of its proper divisors (2321653846578).

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

2012100000222 is a wasteful number, since it uses less digits than its factorization.

2012100000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25796153867.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2012100000222 its reverse (2220000012102), we get a palindrome (4232100012324).

The spelling of 2012100000222 in words is "two trillion, twelve billion, one hundred million, two hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 13 26 39 78 25796153849 51592307698 77388461547 154776923094 335350000037 670700000074 1006050000111 2012100000222