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12032031230221 = 35099342802679
BaseRepresentation
bin1010111100010110110011…
…1100101000100100001101
31120121020202221111012012111
42233011230330220210031
53034113044443331341
641331234442304021
72351166643664242
oct257055474504415
946536687435174
1012032031230221
113919834a561a2
121423a7aab8011
13693800844c52
142d84d3ad15c9
1515ceaa02a681
hexaf16cf2890d

12032031230221 has 4 divisors (see below), whose sum is σ = 12032374068000. Its totient is φ = 12031688392444.

The previous prime is 12032031230189. The next prime is 12032031230243. The reversal of 12032031230221 is 12203213023021.

12032031230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12032031230221 - 25 = 12032031230189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12032031230192 and 12032031230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032031230281) 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, 171366241 + ... + 171436438.

It is an arithmetic number, because the mean of its divisors is an integer number (3008093517000).

Almost surely, 212032031230221 is an apocalyptic number.

It is an amenable number.

12032031230221 is a deficient number, since it is larger than the sum of its proper divisors (342837779).

12032031230221 is an equidigital number, since it uses as much as digits as its factorization.

12032031230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342837778.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12032031230221 its reverse (12203213023021), we get a palindrome (24235244253242).

The spelling of 12032031230221 in words is "twelve trillion, thirty-two billion, thirty-one million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 35099 342802679 12032031230221