12421413042 has 32 divisors (see below), whose sum is σ = 25932548544. Its totient is φ = 3962520000.

The previous prime is 12421413041. The next prime is 12421413047. The reversal of 12421413042 is 24031412421.

It is not an unprimeable number, because it can be changed into a prime (12421413041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 445084 + ... + 472167.

It is an arithmetic number, because the mean of its divisors is an integer number (810392142).

Almost surely, 2^12421413042 is an apocalyptic number.

12421413042 is an abundant number, since it is smaller than the sum of its proper divisors (13511135502).

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

12421413042 is a wasteful number, since it uses less digits than its factorization.

12421413042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917354.

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

Adding to 12421413042 its reverse (24031412421), we get a palindrome (36452825463).

The spelling of 12421413042 in words is "twelve billion, four hundred twenty-one million, four hundred thirteen thousand, forty-two".