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12222201011 = 61200363951
BaseRepresentation
bin10110110000111111…
…11111110010110011
31011112210020010211112
423120133333302303
5200012340413021
65340444103535
7611606665046
oct133037776263
934483203745
1012222201011
115202128579
122451234bab
1311ca1c3007
1483d33cc5d
154b8012d5b
hex2d87ffcb3

12222201011 has 4 divisors (see below), whose sum is σ = 12422565024. Its totient is φ = 12021837000.

The previous prime is 12222200987. The next prime is 12222201029. The reversal of 12222201011 is 11010222221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11010222221 = 80913609669.

It is a cyclic number.

It is not a de Polignac number, because 12222201011 - 214 = 12222184627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222201911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100181915 + ... + 100182036.

It is an arithmetic number, because the mean of its divisors is an integer number (3105641256).

Almost surely, 212222201011 is an apocalyptic number.

12222201011 is a deficient number, since it is larger than the sum of its proper divisors (200364013).

12222201011 is an equidigital number, since it uses as much as digits as its factorization.

12222201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200364012.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12222201011 its reverse (11010222221), we get a palindrome (23232423232).

The spelling of 12222201011 in words is "twelve billion, two hundred twenty-two million, two hundred one thousand, eleven".

Divisors: 1 61 200363951 12222201011