12134020500 has 576 divisors, whose sum is σ = 46608307200. Its totient is φ = 2598220800.

The previous prime is 12134020441. The next prime is 12134020567. The reversal of 12134020500 is 502043121.

12134020500 is a `hidden beast` number, since 1 + 213 + 402 + 0 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 33799321 + ... + 33799679.

It is an arithmetic number, because the mean of its divisors is an integer number (80917200).

Almost surely, 2^12134020500 is an apocalyptic number.

12134020500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12134020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23304153600).

12134020500 is an abundant number, since it is smaller than the sum of its proper divisors (34474286700).

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

12134020500 is a wasteful number, since it uses less digits than its factorization.

12134020500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12134020500 its reverse (502043121), we get a palindrome (12636063621).

The spelling of 12134020500 in words is "twelve billion, one hundred thirty-four million, twenty thousand, five hundred".