13321210311220 has 24 divisors (see below), whose sum is σ = 31970904747264. Its totient is φ = 4567272106656.

The previous prime is 13321210311217. The next prime is 13321210311223. The reversal of 13321210311220 is 2211301212331.

It is an interprime number because it is at equal distance from previous prime (13321210311217) and next prime (13321210311223).

It is a junction number, because it is equal to n+sod(n) for n = 13321210311191 and 13321210311200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321210311223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47575750972 + ... + 47575751251.

It is an arithmetic number, because the mean of its divisors is an integer number (1332121031136).

Almost surely, 2^{13321210311220} is an apocalyptic number.

13321210311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321210311220 is an abundant number, since it is smaller than the sum of its proper divisors (18649694436044).

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

13321210311220 is a wasteful number, since it uses less digits than its factorization.

13321210311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95151502239 (or 95151502237 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13321210311220 its reverse (2211301212331), we get a palindrome (15532511523551).

The spelling of 13321210311220 in words is "thirteen trillion, three hundred twenty-one billion, two hundred ten million, three hundred eleven thousand, two hundred twenty".