213130131220000 has 60 divisors (see below), whose sum is σ = 524332092370086. Its totient is φ = 85252052480000.

The previous prime is 213130131219989. The next prime is 213130131220007. The reversal of 213130131220000 is 22131031312.

It can be written as a sum of positive squares in 5 ways, for example, as 14918535452304 + 198211595767696 = 3862452^2 + 14078764^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 213130131220000.

It is not an unprimeable number, because it can be changed into a prime (213130131220007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5328233281 + ... + 5328273280.

Almost surely, 2^{213130131220000} is an apocalyptic number.

213130131220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213130131220000 is an abundant number, since it is smaller than the sum of its proper divisors (311201961150086).

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

213130131220000 is an equidigital number, since it uses as much as digits as its factorization.

213130131220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656506591 (or 10656506568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213130131220000 its reverse (22131031312), we get a palindrome (213152262251312).

The spelling of 213130131220000 in words is "two hundred thirteen trillion, one hundred thirty billion, one hundred thirty-one million, two hundred twenty thousand".