12135321114 has 32 divisors (see below), whose sum is σ = 27758388096. Its totient is φ = 3464670720.

The previous prime is 12135321103. The next prime is 12135321197. The reversal of 12135321114 is 41112353121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48987 + ... + 163310.

It is an arithmetic number, because the mean of its divisors is an integer number (867449628).

Almost surely, 2^12135321114 is an apocalyptic number.

12135321114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12135321114 is an abundant number, since it is smaller than the sum of its proper divisors (15623066982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12135321114 is a wasteful number, since it uses less digits than its factorization.

12135321114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213670.

The product of its digits is 720, while the sum is 24.

Adding to 12135321114 its reverse (41112353121), we get a palindrome (53247674235).

The spelling of 12135321114 in words is "twelve billion, one hundred thirty-five million, three hundred twenty-one thousand, one hundred fourteen".