12420352352 has 24 divisors (see below), whose sum is σ = 24972839136. Its totient is φ = 6078044032.

The previous prime is 12420352327. The next prime is 12420352387. The reversal of 12420352352 is 25325302421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127603 + ... + 4130610.

It is an arithmetic number, because the mean of its divisors is an integer number (1040534964).

Almost surely, 2^12420352352 is an apocalyptic number.

It is an amenable number.

12420352352 is an abundant number, since it is smaller than the sum of its proper divisors (12552486784).

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

12420352352 is an equidigital number, since it uses as much as digits as its factorization.

12420352352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258270 (or 8258262 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 12420352352 its reverse (25325302421), we get a palindrome (37745654773).

The spelling of 12420352352 in words is "twelve billion, four hundred twenty million, three hundred fifty-two thousand, three hundred fifty-two".