12421342030 has 16 divisors (see below), whose sum is σ = 22439136960. Its totient is φ = 4950598752.

The previous prime is 12421342013. The next prime is 12421342033. The reversal of 12421342030 is 3024312421.

It is a junction number, because it is equal to n+sod(n) for n = 12421341992 and 12421342010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12421342033) 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, 2239350 + ... + 2244889.

It is an arithmetic number, because the mean of its divisors is an integer number (1402446060).

Almost surely, 2^12421342030 is an apocalyptic number.

12421342030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12421342030 is a deficient number, since it is larger than the sum of its proper divisors (10017794930).

12421342030 is a wasteful number, since it uses less digits than its factorization.

12421342030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484523.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12421342030 its reverse (3024312421), we get a palindrome (15445654451).

The spelling of 12421342030 in words is "twelve billion, four hundred twenty-one million, three hundred forty-two thousand, thirty".