212213324131 has 4 divisors (see below), whose sum is σ = 219058915264. Its totient is φ = 205367733000.

The previous prime is 212213324119. The next prime is 212213324143. The reversal of 212213324131 is 131423312212.

212213324131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (212213324119) and next prime (212213324143).

It is a cyclic number.

It is not a de Polignac number, because 212213324131 - 2²⁷ = 212079106403 is a prime.

It is a super-2 number, since 2×212213324131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212213324096 and 212213324105.

It is not an unprimeable number, because it can be changed into a prime (212213424131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3422795520 + ... + 3422795581.

It is an arithmetic number, because the mean of its divisors is an integer number (54764728816).

Almost surely, 2^212213324131 is an apocalyptic number.

212213324131 is a deficient number, since it is larger than the sum of its proper divisors (6845591133).

212213324131 is an equidigital number, since it uses as much as digits as its factorization.

212213324131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845591132.

The product of its digits is 1728, while the sum is 25.

Adding to 212213324131 its reverse (131423312212), we get a palindrome (343636636343).

The spelling of 212213324131 in words is "two hundred twelve billion, two hundred thirteen million, three hundred twenty-four thousand, one hundred thirty-one".