12013443106 has 16 divisors (see below), whose sum is σ = 20604959424. Its totient is φ = 5145997104.

The previous prime is 12013443097. The next prime is 12013443109. The reversal of 12013443106 is 60134431021.

It is a super-2 number, since 2×12013443106² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12013443109) 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, 189840 + ... + 245083.

It is an arithmetic number, because the mean of its divisors is an integer number (1287809964).

Almost surely, 2^12013443106 is an apocalyptic number.

12013443106 is a deficient number, since it is larger than the sum of its proper divisors (8591516318).

12013443106 is a wasteful number, since it uses less digits than its factorization.

12013443106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436905.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12013443106 its reverse (60134431021), we get a palindrome (72147874127).

The spelling of 12013443106 in words is "twelve billion, thirteen million, four hundred forty-three thousand, one hundred six".