12134455752 has 32 divisors (see below), whose sum is σ = 30503753280. Its totient is φ = 4022470080.

The previous prime is 12134455709. The next prime is 12134455757. The reversal of 12134455752 is 25755443121.

It is a self number, because there is not a number n which added to its sum of digits gives 12134455752.

It is not an unprimeable number, because it can be changed into a prime (12134455757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392348 + ... + 1401035.

It is an arithmetic number, because the mean of its divisors is an integer number (953242290).

Almost surely, 2^12134455752 is an apocalyptic number.

12134455752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12134455752 is an abundant number, since it is smaller than the sum of its proper divisors (18369297528).

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

12134455752 is a wasteful number, since it uses less digits than its factorization.

12134455752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793573 (or 2793569 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

Adding to 12134455752 its reverse (25755443121), we get a palindrome (37889898873).

The spelling of 12134455752 in words is "twelve billion, one hundred thirty-four million, four hundred fifty-five thousand, seven hundred fifty-two".