12420410442 has 32 divisors (see below), whose sum is σ = 27157927104. Its totient is φ = 3755587200.

The previous prime is 12420410423. The next prime is 12420410449. The reversal of 12420410442 is 24401402421.

It is not an unprimeable number, because it can be changed into a prime (12420410449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173683 + ... + 234534.

It is an arithmetic number, because the mean of its divisors is an integer number (848685222).

Almost surely, 2^12420410442 is an apocalyptic number.

12420410442 is an abundant number, since it is smaller than the sum of its proper divisors (14737516662).

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

12420410442 is a wasteful number, since it uses less digits than its factorization.

12420410442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408694.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12420410442 its reverse (24401402421), we get a palindrome (36821812863).

The spelling of 12420410442 in words is "twelve billion, four hundred twenty million, four hundred ten thousand, four hundred forty-two".