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12310130231211 = 36791966642469
BaseRepresentation
bin1011001100100010110011…
…1100001000011110101011
31121120211121010211012022010
42303020230330020132223
53103142121314344321
642103110141131003
72410243334332551
oct263105474103653
947524533735263
1012310130231211
113a1677365580a
121469951859a63
136b3ac01a5737
14307b562a3bd1
15165334b14676
hexb322cf087ab

12310130231211 has 16 divisors (see below), whose sum is σ = 16676611692800. Its totient is φ = 8075467702368.

The previous prime is 12310130231141. The next prime is 12310130231219. The reversal of 12310130231211 is 11213203101321.

12310130231211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12310130231211 - 27 = 12310130231083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12310130231219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33136516 + ... + 33505953.

It is an arithmetic number, because the mean of its divisors is an integer number (1042288230800).

Almost surely, 212310130231211 is an apocalyptic number.

12310130231211 is a deficient number, since it is larger than the sum of its proper divisors (4366481461589).

12310130231211 is an equidigital number, since it uses as much as digits as its factorization.

12310130231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66643458.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12310130231211 its reverse (11213203101321), we get a palindrome (23523333332532).

The spelling of 12310130231211 in words is "twelve trillion, three hundred ten billion, one hundred thirty million, two hundred thirty-one thousand, two hundred eleven".

Divisors: 1 3 67 201 919 2757 61573 184719 66642469 199927407 4465045423 13395136269 61244429011 183733287033 4103376743737 12310130231211