13124343220 has 48 divisors (see below), whose sum is σ = 27776649600. Its totient is φ = 5208848000.

The previous prime is 13124343163. The next prime is 13124343227. The reversal of 13124343220 is 2234342131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124343227) 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, 1345521 + ... + 1355239.

It is an arithmetic number, because the mean of its divisors is an integer number (578680200).

Almost surely, 2^13124343220 is an apocalyptic number.

13124343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13124343220 is an abundant number, since it is smaller than the sum of its proper divisors (14652306380).

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

13124343220 is a wasteful number, since it uses less digits than its factorization.

13124343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248 (or 10246 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13124343220 its reverse (2234342131), we get a palindrome (15358685351).

The spelling of 13124343220 in words is "thirteen billion, one hundred twenty-four million, three hundred forty-three thousand, two hundred twenty".