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12030480001 = 67179559403
BaseRepresentation
bin10110011010001001…
…01000111010000001
31011001102110201001101
423031010220322001
5144114300330001
65305434534401
7604061251501
oct131504507201
934042421041
1012030480001
11511398a761
1223b8b97401
131199577127
14821ab3a01
154a6291a01
hex2cd128e81

12030480001 has 4 divisors (see below), whose sum is σ = 12210039472. Its totient is φ = 11850920532.

The previous prime is 12030479971. The next prime is 12030480053. The reversal of 12030480001 is 10008403021.

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: 10008403021 = 12778806323.

It is a cyclic number.

It is not a de Polignac number, because 12030480001 - 231 = 9882996353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030480071) 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, 89779635 + ... + 89779768.

It is an arithmetic number, because the mean of its divisors is an integer number (3052509868).

Almost surely, 212030480001 is an apocalyptic number.

It is an amenable number.

12030480001 is a deficient number, since it is larger than the sum of its proper divisors (179559471).

12030480001 is an equidigital number, since it uses as much as digits as its factorization.

12030480001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179559470.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12030480001 its reverse (10008403021), we get a palindrome (22038883022).

The spelling of 12030480001 in words is "twelve billion, thirty million, four hundred eighty thousand, one".

Divisors: 1 67 179559403 12030480001