13420421312 has 28 divisors (see below), whose sum is σ = 27082531560. Its totient is φ = 6596476416.

The previous prime is 13420421291. The next prime is 13420421353. The reversal of 13420421312 is 21312402431.

13420421312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773293 + ... + 1780844.

It is an arithmetic number, because the mean of its divisors is an integer number (967233270).

Almost surely, 2^13420421312 is an apocalyptic number.

It is an amenable number.

13420421312 is an abundant number, since it is smaller than the sum of its proper divisors (13662110248).

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

13420421312 is an equidigital number, since it uses as much as digits as its factorization.

13420421312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554208 (or 3554198 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13420421312 its reverse (21312402431), we get a palindrome (34732823743).

The spelling of 13420421312 in words is "thirteen billion, four hundred twenty million, four hundred twenty-one thousand, three hundred twelve".