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12030401131 = 78179210127
BaseRepresentation
bin10110011010001000…
…10101101001101011
31011001102022200212021
423031010111221223
5144114240314011
65305433125311
7604060502530
oct131504255153
934042280767
1012030401131
115113936481
1223b8b59837
13119954a268
14821a92d87
154a6278471
hex2cd115a6b

12030401131 has 8 divisors (see below), whose sum is σ = 13750776320. Its totient is φ = 10310462568.

The previous prime is 12030401111. The next prime is 12030401221. The reversal of 12030401131 is 13110403021.

12030401131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12030401131 - 211 = 12030399083 is a prime.

It is a super-2 number, since 2×120304011312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030401111) 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 7 ways as a sum of consecutive naturals, for example, 47811 + ... + 162316.

It is an arithmetic number, because the mean of its divisors is an integer number (1718847040).

Almost surely, 212030401131 is an apocalyptic number.

12030401131 is a deficient number, since it is larger than the sum of its proper divisors (1720375189).

12030401131 is an equidigital number, since it uses as much as digits as its factorization.

12030401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218313.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12030401131 its reverse (13110403021), we get a palindrome (25140804152).

The spelling of 12030401131 in words is "twelve billion, thirty million, four hundred one thousand, one hundred thirty-one".

Divisors: 1 7 8179 57253 210127 1470889 1718628733 12030401131