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12122102021120 = 210571326017561
BaseRepresentation
bin1011000001100110010110…
…0101011011110000000000
31120220212021010120110011222
42300121211211123300000
53042102031104133440
641440452232054212
72360535663040250
oct260314545336000
946825233513158
1012122102021120
113953a55628563
121439417534368
1369c156221a20
142dc9da179960
151604cc6dc2b5
hexb066595bc00

12122102021120 has 176 divisors, whose sum is σ = 35789342006208. Its totient is φ = 3836445327360.

The previous prime is 12122102021087. The next prime is 12122102021123. The reversal of 12122102021120 is 2112020122121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102021123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12542861 + ... + 13474700.

Almost surely, 212122102021120 is an apocalyptic number.

12122102021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122102021120 is an abundant number, since it is smaller than the sum of its proper divisors (23667239985088).

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

12122102021120 is a wasteful number, since it uses less digits than its factorization.

12122102021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26017606 (or 26017588 counting only the distinct ones).

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

Adding to 12122102021120 its reverse (2112020122121), we get a palindrome (14234122143241).

The spelling of 12122102021120 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty-one thousand, one hundred twenty".