13312120242444 has 48 divisors (see below), whose sum is σ = 32412529997568. Its totient is φ = 4244390294848.

The previous prime is 13312120242439. The next prime is 13312120242461. The reversal of 13312120242444 is 44424202121331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25396699 + ... + 25915565.

It is an arithmetic number, because the mean of its divisors is an integer number (675261041616).

Almost surely, 2^{13312120242444} is an apocalyptic number.

It is an amenable number.

13312120242444 is an abundant number, since it is smaller than the sum of its proper divisors (19100409755124).

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

13312120242444 is a wasteful number, since it uses less digits than its factorization.

13312120242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611854 (or 611852 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 13312120242444 its reverse (44424202121331), we get a palindrome (57736322363775).

The spelling of 13312120242444 in words is "thirteen trillion, three hundred twelve billion, one hundred twenty million, two hundred forty-two thousand, four hundred forty-four".