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112120122212 = 2275375552643
BaseRepresentation
bin110100001101011100…
…0010100101101100100
3101201101211210100021222
41220122320110231210
53314110222402322
6123301323155512
711046304212530
oct1503270245544
9351354710258
10112120122212
114360598232a
1219890975b98
13a75a8119a7
1455d89cabc0
152db32d6e42
hex1a1ae14b64

112120122212 has 24 divisors (see below), whose sum is σ = 228471195456. Its totient is φ = 47144848608.

The previous prime is 112120122199. The next prime is 112120122227. The reversal of 112120122212 is 212221021211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37774838 + ... + 37777805.

It is an arithmetic number, because the mean of its divisors is an integer number (9519633144).

Almost surely, 2112120122212 is an apocalyptic number.

It is an amenable number.

112120122212 is an abundant number, since it is smaller than the sum of its proper divisors (116351073244).

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

112120122212 is a wasteful number, since it uses less digits than its factorization.

112120122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75552707 (or 75552705 counting only the distinct ones).

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

Adding to 112120122212 its reverse (212221021211), we get a palindrome (324341143423).

The spelling of 112120122212 in words is "one hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 75552643 151105286 302210572 528868501 1057737002 2115474004 4004290079 8008580158 16017160316 28030030553 56060061106 112120122212