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12122102202011 = 62674919341239
BaseRepresentation
bin1011000001100110010110…
…0110000111111010011011
31120220212021010220122022122
42300121211212013322123
53042102031130431021
641440452240011455
72360535664422524
oct260314546077233
946825233818278
1012122102202011
113953a5574145a
121439417600b8b
1369c156286169
142dc9da1c584b
151604cc725bab
hexb0665987e9b

12122102202011 has 4 divisors (see below), whose sum is σ = 12122122170000. Its totient is φ = 12122082234024.

The previous prime is 12122102201983. The next prime is 12122102202013. The reversal of 12122102202011 is 11020220122121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12122102202011 - 26 = 12122102201947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122102202013) 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 3 ways as a sum of consecutive naturals, for example, 9043871 + ... + 10297368.

It is an arithmetic number, because the mean of its divisors is an integer number (3030530542500).

Almost surely, 212122102202011 is an apocalyptic number.

12122102202011 is a deficient number, since it is larger than the sum of its proper divisors (19967989).

12122102202011 is an equidigital number, since it uses as much as digits as its factorization.

12122102202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19967988.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122102202011 its reverse (11020220122121), we get a palindrome (23142322324132).

The spelling of 12122102202011 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred two thousand, eleven".

Divisors: 1 626749 19341239 12122102202011