12134444100 has 72 divisors (see below), whose sum is σ = 35127626688. Its totient is φ = 3234134400.

The previous prime is 12134444099. The next prime is 12134444117. The reversal of 12134444100 is 144443121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616410 + ... + 635790.

It is an arithmetic number, because the mean of its divisors is an integer number (487883704).

Almost surely, 2^12134444100 is an apocalyptic number.

12134444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134444100 is an abundant number, since it is smaller than the sum of its proper divisors (22993182588).

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

12134444100 is a wasteful number, since it uses less digits than its factorization.

12134444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21485 (or 21478 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12134444100 its reverse (144443121), we get a palindrome (12278887221).

The spelling of 12134444100 in words is "twelve billion, one hundred thirty-four million, four hundred forty-four thousand, one hundred".