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12122102220211 = 173106922951007
BaseRepresentation
bin1011000001100110010110…
…0110001100010110110011
31120220212021010221120021201
42300121211212030112303
53042102031132021321
641440452240232031
72360535664526554
oct260314546142663
946825233846251
1012122102220211
113953a557540a5
12143941760b617
1369c156291529
142dc9da1cc32b
151604cc72b291
hexb066598c5b3

12122102220211 has 8 divisors (see below), whose sum is σ = 12835580734080. Its totient is φ = 11408669670528.

The previous prime is 12122102220169. The next prime is 12122102220227. The reversal of 12122102220211 is 11202220122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12122102220211 - 27 = 12122102220083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122102220511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10947331 + ... + 12003676.

It is an arithmetic number, because the mean of its divisors is an integer number (1604447591760).

Almost surely, 212122102220211 is an apocalyptic number.

12122102220211 is a deficient number, since it is larger than the sum of its proper divisors (713478513869).

12122102220211 is a wasteful number, since it uses less digits than its factorization.

12122102220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22982093.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122102220211 its reverse (11202220122121), we get a palindrome (23324322342332).

The spelling of 12122102220211 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred eleven".

Divisors: 1 17 31069 528173 22951007 390167119 713064836483 12122102220211