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12122102100104 = 231515262762513
BaseRepresentation
bin1011000001100110010110…
…0101101111000010001000
31120220212021010201110112022
42300121211211233002020
53042102031114200404
641440452233504012
72360535663516443
oct260314545570210
946825233643468
1012122102100104
113953a55681937
121439417572008
1369c15624b969
142dc9da19a65a
151604cc7058be
hexb066596f088

12122102100104 has 8 divisors (see below), whose sum is σ = 22728941437710. Its totient is φ = 6061051050048.

The previous prime is 12122102100103. The next prime is 12122102100107. The reversal of 12122102100104 is 40100120122121.

It can be written as a sum of positive squares in only one way, i.e., 12120828324004 + 1273776100 = 3481498^2 + 35690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12122102100103) 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 as a sum of consecutive naturals, namely, 757631381249 + ... + 757631381264.

Almost surely, 212122102100104 is an apocalyptic number.

It is an amenable number.

12122102100104 is a deficient number, since it is larger than the sum of its proper divisors (10606839337606).

12122102100104 is a wasteful number, since it uses less digits than its factorization.

12122102100104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515262762519 (or 1515262762515 counting only the distinct ones).

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

Adding to 12122102100104 its reverse (40100120122121), we get a palindrome (52222222222225).

The spelling of 12122102100104 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred thousand, one hundred four".

Divisors: 1 2 4 8 1515262762513 3030525525026 6061051050052 12122102100104