13030121331220 has 48 divisors (see below), whose sum is σ = 31273556630400. Its totient is φ = 4467289394304.

The previous prime is 13030121331191. The next prime is 13030121331229. The reversal of 13030121331220 is 2213312103031.

It is a junction number, because it is equal to n+sod(n) for n = 13030121331191 and 13030121331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030121331229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612131 + ... + 5353429.

It is an arithmetic number, because the mean of its divisors is an integer number (651532429800).

Almost surely, 2^{13030121331220} is an apocalyptic number.

13030121331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030121331220 is an abundant number, since it is smaller than the sum of its proper divisors (18243435299180).

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

13030121331220 is a wasteful number, since it uses less digits than its factorization.

13030121331220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766192 (or 3766190 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13030121331220 its reverse (2213312103031), we get a palindrome (15243433434251).

The spelling of 13030121331220 in words is "thirteen trillion, thirty billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred twenty".