13120342312240 has 20 divisors (see below), whose sum is σ = 30504795876144. Its totient is φ = 5248136924864.

The previous prime is 13120342312171. The next prime is 13120342312243. The reversal of 13120342312240 is 4221324302131.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 13120342312199 and 13120342312208.

It is not an unprimeable number, because it can be changed into a prime (13120342312243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82002139372 + ... + 82002139531.

Almost surely, 2^{13120342312240} is an apocalyptic number.

13120342312240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13120342312240 is an abundant number, since it is smaller than the sum of its proper divisors (17384453563904).

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

13120342312240 is a wasteful number, since it uses less digits than its factorization.

13120342312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164004278916 (or 164004278910 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13120342312240 its reverse (4221324302131), we get a palindrome (17341666614371).

The spelling of 13120342312240 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-two million, three hundred twelve thousand, two hundred forty".