13204111242340 has 96 divisors (see below), whose sum is σ = 29858058397440. Its totient is φ = 4887280889856.

The previous prime is 13204111242307. The next prime is 13204111242373. The reversal of 13204111242340 is 4324211140231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13204111242307) and next prime (13204111242373).

It is a junction number, because it is equal to n+sod(n) for n = 13204111242299 and 13204111242308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3511504 + ... + 6224056.

It is an arithmetic number, because the mean of its divisors is an integer number (311021441640).

Almost surely, 2^{13204111242340} is an apocalyptic number.

13204111242340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13204111242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14929029198720).

13204111242340 is an abundant number, since it is smaller than the sum of its proper divisors (16653947155100).

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

13204111242340 is a wasteful number, since it uses less digits than its factorization.

13204111242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712821 (or 2712819 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13204111242340 its reverse (4324211140231), we get a palindrome (17528322382571).

The spelling of 13204111242340 in words is "thirteen trillion, two hundred four billion, one hundred eleven million, two hundred forty-two thousand, three hundred forty".