13312020121044 has 24 divisors (see below), whose sum is σ = 31173515237088. Its totient is φ = 4421320761120.

The previous prime is 13312020121033. The next prime is 13312020121123. The reversal of 13312020121044 is 44012102021331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002406442 + ... + 2002413089.

It is an arithmetic number, because the mean of its divisors is an integer number (1298896468212).

Almost surely, 2^{13312020121044} is an apocalyptic number.

It is an amenable number.

13312020121044 is an abundant number, since it is smaller than the sum of its proper divisors (17861495116044).

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

13312020121044 is a wasteful number, since it uses less digits than its factorization.

13312020121044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004819815 (or 4004819813 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13312020121044 its reverse (44012102021331), we get a palindrome (57324122142375).

The spelling of 13312020121044 in words is "thirteen trillion, three hundred twelve billion, twenty million, one hundred twenty-one thousand, forty-four".