12130101 has 8 divisors (see below), whose sum is σ = 17970560. Its totient is φ = 8086716.

The previous prime is 12130099. The next prime is 12130103. The reversal of 12130101 is 10103121.

It is an interprime number because it is at equal distance from previous prime (12130099) and next prime (12130103).

It is not a de Polignac number, because 12130101 - 2¹ = 12130099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224605 + ... + 224658.

It is an arithmetic number, because the mean of its divisors is an integer number (2246320).

Almost surely, 2^12130101 is an apocalyptic number.

It is an amenable number.

12130101 is a deficient number, since it is larger than the sum of its proper divisors (5840459).

12130101 is an equidigital number, since it uses as much as digits as its factorization.

12130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449272 (or 449266 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 12130101 is about 3482.8294531889. The cubic root of 12130101 is about 229.7672566836.

Adding to 12130101 its reverse (10103121), we get a palindrome (22233222).

The spelling of 12130101 in words is "twelve million, one hundred thirty thousand, one hundred one".