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12120313102121 = 710117143300003
BaseRepresentation
bin1011000001011111101011…
…1101001111111100101001
31120220200122110101221122202
42300113322331033330221
53042034400123231441
641435554525225545
72360443441344050
oct260277275177451
946820573357582
1012120313102121
113953217852204
121438bb84022b5
1369bc2c711583
142dc8aa749397
1516042562219b
hexb05faf4ff29

12120313102121 has 8 divisors (see below), whose sum is σ = 13988932803264. Its totient is φ = 10285980001200.

The previous prime is 12120313102091. The next prime is 12120313102127. The reversal of 12120313102121 is 12120131302121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120313102121 - 214 = 12120313085737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12120313102093 and 12120313102102.

It is not an unprimeable number, because it can be changed into a prime (12120313102127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571649295 + ... + 8571650708.

It is an arithmetic number, because the mean of its divisors is an integer number (1748616600408).

Almost surely, 212120313102121 is an apocalyptic number.

It is an amenable number.

12120313102121 is a deficient number, since it is larger than the sum of its proper divisors (1868619701143).

12120313102121 is a wasteful number, since it uses less digits than its factorization.

12120313102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143300111.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12120313102121 its reverse (12120131302121), we get a palindrome (24240444404242).

The spelling of 12120313102121 in words is "twelve trillion, one hundred twenty billion, three hundred thirteen million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 101 707 17143300003 120003100021 1731473300303 12120313102121