13213120424 has 16 divisors (see below), whose sum is σ = 28313829600. Its totient is φ = 5662765872.

The previous prime is 13213120381. The next prime is 13213120463. The reversal of 13213120424 is 42402131231.

It is a self number, because there is not a number n which added to its sum of digits gives 13213120424.

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, 117974234 + ... + 117974345.

It is an arithmetic number, because the mean of its divisors is an integer number (1769614350).

Almost surely, 2^13213120424 is an apocalyptic number.

13213120424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13213120424 is an abundant number, since it is smaller than the sum of its proper divisors (15100709176).

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

13213120424 is a wasteful number, since it uses less digits than its factorization.

13213120424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235948592 (or 235948588 counting only the distinct ones).

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

Adding to 13213120424 its reverse (42402131231), we get a palindrome (55615251655).

The spelling of 13213120424 in words is "thirteen billion, two hundred thirteen million, one hundred twenty thousand, four hundred twenty-four".