13213100131220 has 24 divisors (see below), whose sum is σ = 30270011210208. Its totient is φ = 4804763684000.

The previous prime is 13213100131193. The next prime is 13213100131237. The reversal of 13213100131220 is 2213100131231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 13213100131192 and 13213100131201.

It is a congruent number.

It is an unprimeable number.

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, 30029772806 + ... + 30029773245.

It is an arithmetic number, because the mean of its divisors is an integer number (1261250467092).

Almost surely, 2^{13213100131220} is an apocalyptic number.

13213100131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213100131220 is an abundant number, since it is smaller than the sum of its proper divisors (17056911078988).

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

13213100131220 is a wasteful number, since it uses less digits than its factorization.

13213100131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60059546071 (or 60059546069 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13213100131220 its reverse (2213100131231), we get a palindrome (15426200262451).

The spelling of 13213100131220 in words is "thirteen trillion, two hundred thirteen billion, one hundred million, one hundred thirty-one thousand, two hundred twenty".