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12130202103 = 34543388997
BaseRepresentation
bin10110100110000010…
…00011000111110111
31011022101010010001120
423103001003013313
5144320312431403
65323400155023
7606412005465
oct132301030767
934271103046
1012130202103
115165201418
122426468a73
1311b41212a6
14831031835
154aeddde53
hex2d30431f7

12130202103 has 8 divisors (see below), whose sum is σ = 16174140528. Its totient is φ = 8086532544.

The previous prime is 12130202101. The next prime is 12130202191. The reversal of 12130202103 is 30120203121.

12130202103 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 12130202103 - 21 = 12130202101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130202101) 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, 91801 + ... + 180797.

It is an arithmetic number, because the mean of its divisors is an integer number (2021767566).

Almost surely, 212130202103 is an apocalyptic number.

12130202103 is a deficient number, since it is larger than the sum of its proper divisors (4043938425).

12130202103 is an equidigital number, since it uses as much as digits as its factorization.

12130202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134433.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12130202103 its reverse (30120203121), we get a palindrome (42250405224).

The spelling of 12130202103 in words is "twelve billion, one hundred thirty million, two hundred two thousand, one hundred three".

Divisors: 1 3 45433 88997 136299 266991 4043400701 12130202103