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2222112213212 = 22599415729717
BaseRepresentation
bin100000010101100000001…
…101011000100011011100
321212102122211011100112012
4200111200031120203130
5242401341211310322
64420454012330352
7316354004111003
oct40254015304334
97772584140465
102222112213212
11787435461061
122ba7b0a739b8
1313170ca34078
147979d5a1c3a
153cc07848ae2
hex205603588dc

2222112213212 has 12 divisors (see below), whose sum is σ = 3954606481560. Its totient is φ = 1092224647056.

The previous prime is 2222112213197. The next prime is 2222112213259. The reversal of 2222112213212 is 2123122112222.

It is a congruent number.

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, 4707864623 + ... + 4707865094.

It is an arithmetic number, because the mean of its divisors is an integer number (329550540130).

Almost surely, 22222112213212 is an apocalyptic number.

It is an amenable number.

2222112213212 is a deficient number, since it is larger than the sum of its proper divisors (1732494268348).

2222112213212 is a wasteful number, since it uses less digits than its factorization.

2222112213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415729780 (or 9415729778 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

Adding to 2222112213212 its reverse (2123122112222), we get a palindrome (4345234325434).

The spelling of 2222112213212 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 59 118 236 9415729717 18831459434 37662918868 555528053303 1111056106606 2222112213212