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2012112212212 = 221926475160687
BaseRepresentation
bin11101010001111011001…
…110111101000011110100
321010100121120002222112101
4131101323032331003310
5230431301211242322
64140203535431444
7265241005416064
oct35217316750364
97110546088471
102012112212212
11706371985123
12285b64385584
13117983a2714b
146d55b35b3a4
1537516516327
hex1d47b3bd0f4

2012112212212 has 12 divisors (see below), whose sum is σ = 3706522496320. Its totient is φ = 953105784696.

The previous prime is 2012112212177. The next prime is 2012112212381. The reversal of 2012112212212 is 2122122112102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2012112212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13237580268 + ... + 13237580419.

Almost surely, 22012112212212 is an apocalyptic number.

It is an amenable number.

2012112212212 is a deficient number, since it is larger than the sum of its proper divisors (1694410284108).

2012112212212 is a wasteful number, since it uses less digits than its factorization.

2012112212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26475160710 (or 26475160708 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2012112212212 its reverse (2122122112102), we get a palindrome (4134234324314).

The spelling of 2012112212212 in words is "two trillion, twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 26475160687 52950321374 105900642748 503028053053 1006056106106 2012112212212