12135443102 has 16 divisors (see below), whose sum is σ = 18391013712. Its totient is φ = 6005155200.

The previous prime is 12135443087. The next prime is 12135443119. The reversal of 12135443102 is 20134453121.

It is a happy number.

12135443102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 535718 + ... + 557910.

It is an arithmetic number, because the mean of its divisors is an integer number (1149438357).

Almost surely, 2^12135443102 is an apocalyptic number.

12135443102 is a deficient number, since it is larger than the sum of its proper divisors (6255570610).

12135443102 is a wasteful number, since it uses less digits than its factorization.

12135443102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 12135443102 its reverse (20134453121), we get a palindrome (32269896223).

The spelling of 12135443102 in words is "twelve billion, one hundred thirty-five million, four hundred forty-three thousand, one hundred two".