13321301212020 has 48 divisors (see below), whose sum is σ = 37300480072128. Its totient is φ = 3552267306240.

The previous prime is 13321301211989. The next prime is 13321301212027. The reversal of 13321301212020 is 2021210312331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321301212027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231600 + ... + 5166840.

It is an arithmetic number, because the mean of its divisors is an integer number (777093334836).

Almost surely, 2^{13321301212020} is an apocalyptic number.

13321301212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321301212020 is an abundant number, since it is smaller than the sum of its proper divisors (23979178860108).

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

13321301212020 is a wasteful number, since it uses less digits than its factorization.

13321301212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980240 (or 4980238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13321301212020 its reverse (2021210312331), we get a palindrome (15342511524351).

The spelling of 13321301212020 in words is "thirteen trillion, three hundred twenty-one billion, three hundred one million, two hundred twelve thousand, twenty".