13204213242 has 128 divisors (see below), whose sum is σ = 31696220160. Its totient is φ = 3619875840.

The previous prime is 13204213193. The next prime is 13204213249. The reversal of 13204213242 is 24231240231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13204213249) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8556723 + ... + 8558265.

It is an arithmetic number, because the mean of its divisors is an integer number (247626720).

Almost surely, 2^13204213242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13204213242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15848110080).

13204213242 is an abundant number, since it is smaller than the sum of its proper divisors (18492006918).

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

13204213242 is a wasteful number, since it uses less digits than its factorization.

13204213242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868.

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

Adding to 13204213242 its reverse (24231240231), we get a palindrome (37435453473).

The spelling of 13204213242 in words is "thirteen billion, two hundred four million, two hundred thirteen thousand, two hundred forty-two".