12102130443 has 16 divisors (see below), whose sum is σ = 17379724320. Its totient is φ = 7446476544.

The previous prime is 12102130429. The next prime is 12102130463. The reversal of 12102130443 is 34403120121.

It is not a de Polignac number, because 12102130443 - 2⁹ = 12102129931 is a prime.

It is a super-2 number, since 2×12102130443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102130423) 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 15 ways as a sum of consecutive naturals, for example, 371605 + ... + 402857.

It is an arithmetic number, because the mean of its divisors is an integer number (1086232770).

Almost surely, 2^12102130443 is an apocalyptic number.

12102130443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12102130443 is a deficient number, since it is larger than the sum of its proper divisors (5277593877).

12102130443 is a wasteful number, since it uses less digits than its factorization.

12102130443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41198.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12102130443 its reverse (34403120121), we get a palindrome (46505250564).

The spelling of 12102130443 in words is "twelve billion, one hundred two million, one hundred thirty thousand, four hundred forty-three".