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12122120112122 = 222364342270049
BaseRepresentation
bin1011000001100110011010…
…1010011100011111111010
31120220212022101121120101002
42300121212222130133322
53042102100222041442
641440454115525002
72360536302565556
oct260314652343772
946825271546332
1012122120112122
113953a648645a9
1214394215b9762
1369c159bb7267
142dc9dc728866
151604ce0b2732
hexb0666a9c7fa

12122120112122 has 16 divisors (see below), whose sum is σ = 18293124998400. Its totient is φ = 6024496321152.

The previous prime is 12122120112101. The next prime is 12122120112187. The reversal of 12122120112122 is 22121102122121.

It is a junction number, because it is equal to n+sod(n) for n = 12122120112094 and 12122120112103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20848247 + ... + 21421802.

It is an arithmetic number, because the mean of its divisors is an integer number (1143320312400).

Almost surely, 212122120112122 is an apocalyptic number.

12122120112122 is a deficient number, since it is larger than the sum of its proper divisors (6171004886278).

12122120112122 is a wasteful number, since it uses less digits than its factorization.

12122120112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270917.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12122120112122 its reverse (22121102122121), we get a palindrome (34243222234243).

The spelling of 12122120112122 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 223 446 643 1286 143389 286778 42270049 84540098 9426220927 18852441854 27179641507 54359283014 6061060056061 12122120112122