13020220312100 has 72 divisors (see below), whose sum is σ = 28275189022080. Its totient is φ = 5204161540480.

The previous prime is 13020220312093. The next prime is 13020220312163. The reversal of 13020220312100 is 121302202031.

It is a super-4 number, since 4×13020220312100⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843106979 + ... + 843122421.

It is an arithmetic number, because the mean of its divisors is an integer number (392710958640).

Almost surely, 2^{13020220312100} is an apocalyptic number.

13020220312100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13020220312100 is an abundant number, since it is smaller than the sum of its proper divisors (15254968709980).

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

13020220312100 is a wasteful number, since it uses less digits than its factorization.

13020220312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269 (or 21262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13020220312100 its reverse (121302202031), we get a palindrome (13141522514131).

The spelling of 13020220312100 in words is "thirteen trillion, twenty billion, two hundred twenty million, three hundred twelve thousand, one hundred".