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2012110201220 = 225714372215723
BaseRepresentation
bin11101010001111011000…
…111010010000110000100
321010100121102022210222012
4131101323013102012010
5230431300202414340
64140203424353352
7265240652342120
oct35217307220604
97110542283865
102012110201220
11706370831249
12285b63775858
131179834a1a02
146d55ad96580
153751626a565
hex1d47b1d2184

2012110201220 has 24 divisors (see below), whose sum is σ = 4829064483264. Its totient is φ = 689866354656.

The previous prime is 2012110201219. The next prime is 2012110201243. The reversal of 2012110201220 is 221020112102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2012110201195 and 2012110201204.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7186107722 + ... + 7186108001.

It is an arithmetic number, because the mean of its divisors is an integer number (201211020136).

Almost surely, 22012110201220 is an apocalyptic number.

2012110201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012110201220 is an abundant number, since it is smaller than the sum of its proper divisors (2816954282044).

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

2012110201220 is a wasteful number, since it uses less digits than its factorization.

2012110201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372215739 (or 14372215737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012110201220 its reverse (221020112102), we get a palindrome (2233130313322).

The spelling of 2012110201220 in words is "two trillion, twelve billion, one hundred ten million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14372215723 28744431446 57488862892 71861078615 100605510061 143722157230 201211020122 287444314460 402422040244 503027550305 1006055100610 2012110201220