12134325450 has 192 divisors, whose sum is σ = 34483542912. Its totient is φ = 2797363200.

The previous prime is 12134325449. The next prime is 12134325451. The reversal of 12134325450 is 5452343121.

It is an interprime number because it is at equal distance from previous prime (12134325449) and next prime (12134325451).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12134325451) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7723165 + ... + 7724735.

It is an arithmetic number, because the mean of its divisors is an integer number (179601786).

Almost surely, 2^12134325450 is an apocalyptic number.

12134325450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12134325450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17241771456).

12134325450 is an abundant number, since it is smaller than the sum of its proper divisors (22349217462).

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

12134325450 is a wasteful number, since it uses less digits than its factorization.

12134325450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1844 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12134325450 its reverse (5452343121), we get a palindrome (17586668571).

The spelling of 12134325450 in words is "twelve billion, one hundred thirty-four million, three hundred twenty-five thousand, four hundred fifty".