12141135424 has 56 divisors (see below), whose sum is σ = 26311347936. Its totient is φ = 5512704000.

The previous prime is 12141135421. The next prime is 12141135437. The reversal of 12141135424 is 42453114121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12141135392 and 12141135401.

It is not an unprimeable number, because it can be changed into a prime (12141135421) 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, 674704 + ... + 692464.

Almost surely, 2^12141135424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12141135424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13155673968).

12141135424 is an abundant number, since it is smaller than the sum of its proper divisors (14170212512).

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

12141135424 is a wasteful number, since it uses less digits than its factorization.

12141135424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18755 (or 18745 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

Adding to 12141135424 its reverse (42453114121), we get a palindrome (54594249545).

The spelling of 12141135424 in words is "twelve billion, one hundred forty-one million, one hundred thirty-five thousand, four hundred twenty-four".