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12030133241 = 71718590463
BaseRepresentation
bin10110011010000110…
…10100001111111001
31011001101211002101102
423031003110033321
5144114203230431
65305423301145
7604055305520
oct131503241771
934041732342
1012030133241
115113773185
1223b8a4a7b5
131199485349
14821a234b7
154a6223dcb
hex2cd0d43f9

12030133241 has 4 divisors (see below), whose sum is σ = 13748723712. Its totient is φ = 10311542772.

The previous prime is 12030133231. The next prime is 12030133253. The reversal of 12030133241 is 14233103021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14233103021 = 47293009749.

It is a cyclic number.

It is not a de Polignac number, because 12030133241 - 218 = 12029871097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030133211) 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, 859295225 + ... + 859295238.

It is an arithmetic number, because the mean of its divisors is an integer number (3437180928).

Almost surely, 212030133241 is an apocalyptic number.

It is an amenable number.

12030133241 is a deficient number, since it is larger than the sum of its proper divisors (1718590471).

12030133241 is an equidigital number, since it uses as much as digits as its factorization.

12030133241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718590470.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12030133241 its reverse (14233103021), we get a palindrome (26263236262).

The spelling of 12030133241 in words is "twelve billion, thirty million, one hundred thirty-three thousand, two hundred forty-one".

Divisors: 1 7 1718590463 12030133241