13021303211220 has 96 divisors (see below), whose sum is σ = 36610353561600. Its totient is φ = 3458001240064.

The previous prime is 13021303211219. The next prime is 13021303211243. The reversal of 13021303211220 is 2211230312031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65111341 + ... + 65311019.

It is an arithmetic number, because the mean of its divisors is an integer number (381357849600).

Almost surely, 2^{13021303211220} is an apocalyptic number.

13021303211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13021303211220 is an abundant number, since it is smaller than the sum of its proper divisors (23589050350380).

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

13021303211220 is a wasteful number, since it uses less digits than its factorization.

13021303211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204177 (or 204175 counting only the distinct ones).

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

Adding to 13021303211220 its reverse (2211230312031), we get a palindrome (15232533523251).

The spelling of 13021303211220 in words is "thirteen trillion, twenty-one billion, three hundred three million, two hundred eleven thousand, two hundred twenty".