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121020122102012 = 2274322147217929
BaseRepresentation
bin11011100001000100110001…
…011000110111100011111100
3120212111102002101111011010222
4123201010301120313203330
5111330243202224231022
61105215513201520512
734330262305034510
oct3341046130674374
9525442071434128
10121020122102012
1135619388a36181
12116a6616043138
13526b1c1481a43
1421c5595aa4140
15ded027706242
hex6e11316378fc

121020122102012 has 12 divisors (see below), whose sum is σ = 242040244204080. Its totient is φ = 51865766615136.

The previous prime is 121020122102003. The next prime is 121020122102069. The reversal of 121020122102012 is 210201221020121.

121020122102012 is an admirable number.

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, 2161073608937 + ... + 2161073608992.

It is an arithmetic number, because the mean of its divisors is an integer number (20170020350340).

Almost surely, 2121020122102012 is an apocalyptic number.

It is an amenable number.

121020122102012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121020122102012 is a wasteful number, since it uses less digits than its factorization.

121020122102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322147217940 (or 4322147217938 counting only the distinct ones).

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

Adding to 121020122102012 its reverse (210201221020121), we get a palindrome (331221343122133).

The spelling of 121020122102012 in words is "one hundred twenty-one trillion, twenty billion, one hundred twenty-two million, one hundred two thousand, twelve".

Divisors: 1 2 4 7 14 28 4322147217929 8644294435858 17288588871716 30255030525503 60510061051006 121020122102012