13120113121444 has 12 divisors (see below), whose sum is σ = 26240226242944. Its totient is φ = 5622905623464.

The previous prime is 13120113121433. The next prime is 13120113121477. The reversal of 13120113121444 is 44412131102131.

13120113121444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 468575468623 = 13120113121444 / (1 + 3 + 1 + 2 + 0 + 1 + 1 + 3 + 1 + 2 + 1 + 4 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234287734284 + ... + 234287734339.

Almost surely, 2^{13120113121444} is an apocalyptic number.

13120113121444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13120113121444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13120113121444 is a wasteful number, since it uses less digits than its factorization.

13120113121444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468575468634 (or 468575468632 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 13120113121444 its reverse (44412131102131), we get a palindrome (57532244223575).

The spelling of 13120113121444 in words is "thirteen trillion, one hundred twenty billion, one hundred thirteen million, one hundred twenty-one thousand, four hundred forty-four".