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12205119 = 34068373
BaseRepresentation
bin101110100011…
…110000111111
3211222002021110
4232203300333
511111030434
61113333103
7205512303
oct56436077
924862243
1012205119
116986983
124107193
1326b4484
141899d03
1511114e9
hexba3c3f

12205119 has 4 divisors (see below), whose sum is σ = 16273496. Its totient is φ = 8136744.

The previous prime is 12205117. The next prime is 12205121. The reversal of 12205119 is 91150221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12205117) and next prime (12205121).

It is not a de Polignac number, because 12205119 - 21 = 12205117 is a prime.

It is a super-2 number, since 2×122051192 = 297929859608322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12205095 and 12205104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12205117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2034184 + ... + 2034189.

It is an arithmetic number, because the mean of its divisors is an integer number (4068374).

Almost surely, 212205119 is an apocalyptic number.

12205119 is a deficient number, since it is larger than the sum of its proper divisors (4068377).

12205119 is an equidigital number, since it uses as much as digits as its factorization.

12205119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4068376.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 12205119 is about 3493.5825451820. The cubic root of 12205119 is about 230.2399449302.

The spelling of 12205119 in words is "twelve million, two hundred five thousand, one hundred nineteen".

Divisors: 1 3 4068373 12205119