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12122102020101 = 3191931101909101
BaseRepresentation
bin1011000001100110010110…
…0101011011100000000101
31120220212021010120101210020
42300121211211123200011
53042102031104120401
641440452232045353
72360535663034263
oct260314545334005
946825233511706
1012122102020101
113953a55627817
121439417533859
1369c156221418
142dc9da179433
151604cc6dbd36
hexb066595b805

12122102020101 has 16 divisors (see below), whose sum is σ = 17101629263040. Its totient is φ = 7616395699200.

The previous prime is 12122102020073. The next prime is 12122102020109. The reversal of 12122102020101 is 10102020122121.

It is not a de Polignac number, because 12122102020101 - 26 = 12122102020037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122102020109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550943550 + ... + 550965551.

It is an arithmetic number, because the mean of its divisors is an integer number (1068851828940).

Almost surely, 212122102020101 is an apocalyptic number.

It is an amenable number.

12122102020101 is a deficient number, since it is larger than the sum of its proper divisors (4979527242939).

12122102020101 is a wasteful number, since it uses less digits than its factorization.

12122102020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101909316.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122102020101 its reverse (10102020122121), we get a palindrome (22224122142222).

The spelling of 12122102020101 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, twenty thousand, one hundred one".

Divisors: 1 3 19 57 193 579 3667 11001 1101909101 3305727303 20936272919 62808818757 212668456493 638005369479 4040700673367 12122102020101