12421014342 has 64 divisors (see below), whose sum is σ = 28006318080. Its totient is φ = 3638397600.

The previous prime is 12421014289. The next prime is 12421014377. The reversal of 12421014342 is 24341012421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122873 + ... + 2128715.

It is an arithmetic number, because the mean of its divisors is an integer number (437598720).

Almost surely, 2^12421014342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12421014342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14003159040).

12421014342 is an abundant number, since it is smaller than the sum of its proper divisors (15585303738).

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

12421014342 is a wasteful number, since it uses less digits than its factorization.

12421014342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929.

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

Adding to 12421014342 its reverse (24341012421), we get a palindrome (36762026763).

The spelling of 12421014342 in words is "twelve billion, four hundred twenty-one million, fourteen thousand, three hundred forty-two".