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12030501211 = 31247385013
BaseRepresentation
bin10110011010001001…
…01110000101011011
31011001102111210010221
423031010232011123
5144114302014321
65305435220511
7604061400361
oct131504560533
934042453127
1012030501211
1151139a4693
1223b8ba7737
131199583991
14821abb631
154a6297e41
hex2cd12e15b

12030501211 has 4 divisors (see below), whose sum is σ = 12030917472. Its totient is φ = 12030084952.

The previous prime is 12030501199. The next prime is 12030501283. The reversal of 12030501211 is 11210503021.

12030501211 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.

It is a cyclic number.

It is not a de Polignac number, because 12030501211 - 27 = 12030501083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030507211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161260 + ... + 223753.

It is an arithmetic number, because the mean of its divisors is an integer number (3007729368).

Almost surely, 212030501211 is an apocalyptic number.

12030501211 is a deficient number, since it is larger than the sum of its proper divisors (416261).

12030501211 is an equidigital number, since it uses as much as digits as its factorization.

12030501211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416260.

The product of its (nonzero) digits is 60, while the sum is 16.

The spelling of 12030501211 in words is "twelve billion, thirty million, five hundred one thousand, two hundred eleven".

Divisors: 1 31247 385013 12030501211