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1200212213313 = 3400070737771
BaseRepresentation
bin10001011101110010001…
…110001111111001000001
311020201221212000122220210
4101131302032033321001
5124131013311311223
62315211521024333
7152466243325521
oct21356216177101
94221855018823
101200212213313
114230095610a3
121747387850a9
138924455a109
144213a7a9681
1521348658893
hex1177238fe41

1200212213313 has 4 divisors (see below), whose sum is σ = 1600282951088. Its totient is φ = 800141475540.

The previous prime is 1200212213287. The next prime is 1200212213357. The reversal of 1200212213313 is 3133122120021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1200212213313 - 234 = 1183032344129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1200212213313.

It is not an unprimeable number, because it can be changed into a prime (1200212213393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200035368883 + ... + 200035368888.

It is an arithmetic number, because the mean of its divisors is an integer number (400070737772).

Almost surely, 21200212213313 is an apocalyptic number.

It is an amenable number.

1200212213313 is a deficient number, since it is larger than the sum of its proper divisors (400070737775).

1200212213313 is an equidigital number, since it uses as much as digits as its factorization.

1200212213313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400070737774.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1200212213313 its reverse (3133122120021), we get a palindrome (4333334333334).

The spelling of 1200212213313 in words is "one trillion, two hundred billion, two hundred twelve million, two hundred thirteen thousand, three hundred thirteen".

Divisors: 1 3 400070737771 1200212213313