13223204124 has 96 divisors (see below), whose sum is σ = 34728832320. Its totient is φ = 3887751168.

The previous prime is 13223204119. The next prime is 13223204131. The reversal of 13223204124 is 42140232231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13223204094 and 13223204103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423762 + ... + 453894.

It is an arithmetic number, because the mean of its divisors is an integer number (361758670).

Almost surely, 2^13223204124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13223204124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17364416160).

13223204124 is an abundant number, since it is smaller than the sum of its proper divisors (21505628196).

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

13223204124 is a wasteful number, since it uses less digits than its factorization.

13223204124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30279 (or 30277 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13223204124 its reverse (42140232231), we get a palindrome (55363436355).

The spelling of 13223204124 in words is "thirteen billion, two hundred twenty-three million, two hundred four thousand, one hundred twenty-four".