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12122414211 = 34040804737
BaseRepresentation
bin10110100101000110…
…10101110010000011
31011021211110110002010
423102203111302003
5144311314223321
65322521224003
7606255551325
oct132243256203
934254413063
1012122414211
115160872246
122423932003
1311b262557b
1482dda5615
154ae3a1676
hex2d28d5c83

12122414211 has 4 divisors (see below), whose sum is σ = 16163218952. Its totient is φ = 8081609472.

The previous prime is 12122414177. The next prime is 12122414261. The reversal of 12122414211 is 11241422121.

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

It is not a de Polignac number, because 12122414211 - 26 = 12122414147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122414261) 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, 2020402366 + ... + 2020402371.

It is an arithmetic number, because the mean of its divisors is an integer number (4040804738).

Almost surely, 212122414211 is an apocalyptic number.

12122414211 is a deficient number, since it is larger than the sum of its proper divisors (4040804741).

12122414211 is an equidigital number, since it uses as much as digits as its factorization.

12122414211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040804740.

The product of its digits is 256, while the sum is 21.

Adding to 12122414211 its reverse (11241422121), we get a palindrome (23363836332).

The spelling of 12122414211 in words is "twelve billion, one hundred twenty-two million, four hundred fourteen thousand, two hundred eleven".

Divisors: 1 3 4040804737 12122414211