13002121200220 has 24 divisors (see below), whose sum is σ = 27304527475008. Its totient is φ = 5200834584000.

The previous prime is 13002121200157. The next prime is 13002121200221. The reversal of 13002121200220 is 2200212120031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13002121200194 and 13002121200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002121200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10318570 + ... + 11509870.

It is an arithmetic number, because the mean of its divisors is an integer number (1137688644792).

Almost surely, 2^{13002121200220} is an apocalyptic number.

13002121200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002121200220 is an abundant number, since it is smaller than the sum of its proper divisors (14302406274788).

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

13002121200220 is a wasteful number, since it uses less digits than its factorization.

13002121200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737021 (or 1737019 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13002121200220 its reverse (2200212120031), we get a palindrome (15202333320251).

The spelling of 13002121200220 in words is "thirteen trillion, two billion, one hundred twenty-one million, two hundred thousand, two hundred twenty".