13122420052044 has 12 divisors (see below), whose sum is σ = 30618980121464. Its totient is φ = 4374140017344.

The previous prime is 13122420051941. The next prime is 13122420052121. The reversal of 13122420052044 is 44025002422131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×13122420052044³ (a number of 40 digits) contains 333 as substring.

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, 546767502157 + ... + 546767502180.

Almost surely, 2^{13122420052044} is an apocalyptic number.

It is an amenable number.

13122420052044 is an abundant number, since it is smaller than the sum of its proper divisors (17496560069420).

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

13122420052044 is a wasteful number, since it uses less digits than its factorization.

13122420052044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093535004344 (or 1093535004342 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 13122420052044 its reverse (44025002422131), we get a palindrome (57147422474175).

The spelling of 13122420052044 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty million, fifty-two thousand, forty-four".