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12101301103 = 13187917669
BaseRepresentation
bin10110100010100101…
…10011001101101111
31011020100201210100011
423101102303031233
5144240413113403
65320444514051
7605611235143
oct132122631557
934210653304
1012101301103
11514a9616a1
12241884b927
1311ab1425c8
1482b26b223
154ac5d0a6d
hex2d14b336f

12101301103 has 4 divisors (see below), whose sum is σ = 12102231960. Its totient is φ = 12100370248.

The previous prime is 12101301071. The next prime is 12101301139. The reversal of 12101301103 is 30110310121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30110310121 = 171771194713.

It is a cyclic number.

It is not a de Polignac number, because 12101301103 - 25 = 12101301071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101331103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445648 + ... + 472021.

It is an arithmetic number, because the mean of its divisors is an integer number (3025557990).

Almost surely, 212101301103 is an apocalyptic number.

12101301103 is a deficient number, since it is larger than the sum of its proper divisors (930857).

12101301103 is an equidigital number, since it uses as much as digits as its factorization.

12101301103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930856.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12101301103 its reverse (30110310121), we get a palindrome (42211611224).

The spelling of 12101301103 in words is "twelve billion, one hundred one million, three hundred one thousand, one hundred three".

Divisors: 1 13187 917669 12101301103