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12303132110221 = 19647533268959
BaseRepresentation
bin1011001100001000101111…
…0100011010110110001101
31121120011112102121211000211
42303002023310122312031
53103033303310011341
642055551511122421
72406605040310501
oct263021364326615
947504472554024
1012303132110221
113a13802374947
12146851a073411
136b32463a9b44
14307690ab6301
1516507556c181
hexb308bd1ad8d

12303132110221 has 4 divisors (see below), whose sum is σ = 12950665379200. Its totient is φ = 11655598841244.

The previous prime is 12303132110189. The next prime is 12303132110251. The reversal of 12303132110221 is 12201123130321.

12303132110221 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 12303132110221 - 25 = 12303132110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303132110192 and 12303132110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303132110251) 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, 323766634461 + ... + 323766634498.

It is an arithmetic number, because the mean of its divisors is an integer number (3237666344800).

Almost surely, 212303132110221 is an apocalyptic number.

It is an amenable number.

12303132110221 is a deficient number, since it is larger than the sum of its proper divisors (647533268979).

12303132110221 is an equidigital number, since it uses as much as digits as its factorization.

12303132110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647533268978.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12303132110221 its reverse (12201123130321), we get a palindrome (24504255240542).

The spelling of 12303132110221 in words is "twelve trillion, three hundred three billion, one hundred thirty-two million, one hundred ten thousand, two hundred twenty-one".

Divisors: 1 19 647533268959 12303132110221