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2012110211 = 31181358601
BaseRepresentation
bin111011111101110…
…0101110110000011
312012020010210022102
41313323211312003
513110100011321
6531354301015
7100601440346
oct16773456603
95166123272
102012110211
11942869201
12481a2776b
13260b27577
1415132c45d
15bb9a5c0b
hex77ee5d83

2012110211 has 8 divisors (see below), whose sum is σ = 2088498048. Its totient is φ = 1936440000.

The previous prime is 2012110187. The next prime is 2012110229. The reversal of 2012110211 is 1120112102.

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 2012110211 - 26 = 2012110147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012110192 and 2012110201.

It is not an unprimeable number, because it can be changed into a prime (2012110271) 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, 173690 + ... + 184911.

It is an arithmetic number, because the mean of its divisors is an integer number (261062256).

Almost surely, 22012110211 is an apocalyptic number.

2012110211 is a deficient number, since it is larger than the sum of its proper divisors (76387837).

2012110211 is a wasteful number, since it uses less digits than its factorization.

2012110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358813.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2012110211 is about 44856.5514835904. The cubic root of 2012110211 is about 1262.4589193704.

Adding to 2012110211 its reverse (1120112102), we get a palindrome (3132222313).

The spelling of 2012110211 in words is "two billion, twelve million, one hundred ten thousand, two hundred eleven".

Divisors: 1 31 181 5611 358601 11116631 64906781 2012110211