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2012120212211 = 17715116551533
BaseRepresentation
bin11101010001111011101…
…101011110001011110011
321010100122010011102110122
4131101323231132023303
5230431310233242321
64140204423120455
7265241133415514
oct35217355361363
97110563142418
102012120212211
1170637644969a
12285b66ba312b
13117985598585
146d55c440a0b
15375170968ab
hex1d47bb5e2f3

2012120212211 has 8 divisors (see below), whose sum is σ = 2130778281024. Its totient is φ = 1893495260800.

The previous prime is 2012120212171. The next prime is 2012120212259. The reversal of 2012120212211 is 1122120212102.

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 2012120212211 - 26 = 2012120212147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012120212211.

It is not an unprimeable number, because it can be changed into a prime (2012120212261) 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, 8154200 + ... + 8397333.

It is an arithmetic number, because the mean of its divisors is an integer number (266347285128).

Almost surely, 22012120212211 is an apocalyptic number.

2012120212211 is a deficient number, since it is larger than the sum of its proper divisors (118658068813).

2012120212211 is a wasteful number, since it uses less digits than its factorization.

2012120212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16558701.

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

Adding to 2012120212211 its reverse (1122120212102), we get a palindrome (3134240424313).

The spelling of 2012120212211 in words is "two trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 17 7151 121567 16551533 281376061 118360012483 2012120212211