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2012111229 = 31935300197
BaseRepresentation
bin111011111101110…
…0110000101111101
312012020010211201010
41313323212011331
513110100024404
6531354305433
7100601443332
oct16773460575
95166124633
102012111229
11942869a47
12481a28279
13260b27b7b
1415132c989
15bb9a6189
hex77ee617d

2012111229 has 8 divisors (see below), whose sum is σ = 2824015840. Its totient is φ = 1270807056.

The previous prime is 2012111209. The next prime is 2012111249. The reversal of 2012111229 is 9221112102.

It is an interprime number because it is at equal distance from previous prime (2012111209) and next prime (2012111249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012111229 - 25 = 2012111197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012111209) 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, 17650042 + ... + 17650155.

It is an arithmetic number, because the mean of its divisors is an integer number (353001980).

Almost surely, 22012111229 is an apocalyptic number.

It is an amenable number.

2012111229 is a deficient number, since it is larger than the sum of its proper divisors (811904611).

2012111229 is a wasteful number, since it uses less digits than its factorization.

2012111229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35300219.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2012111229 is about 44856.5628308724. The cubic root of 2012111229 is about 1262.4591322784.

The spelling of 2012111229 in words is "two billion, twelve million, one hundred eleven thousand, two hundred twenty-nine".

Divisors: 1 3 19 57 35300197 105900591 670703743 2012111229