212213420131 has 8 divisors (see below), whose sum is σ = 217471303280. Its totient is φ = 206970204672.

The previous prime is 212213420129. The next prime is 212213420207. The reversal of 212213420131 is 131024312212.

212213420131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212213420131 - 2¹ = 212213420129 is a prime.

It is a super-2 number, since 2×212213420131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3637626 + ... + 3695503.

It is an arithmetic number, because the mean of its divisors is an integer number (27183912910).

Almost surely, 2^212213420131 is an apocalyptic number.

212213420131 is a deficient number, since it is larger than the sum of its proper divisors (5257883149).

212213420131 is an equidigital number, since it uses as much as digits as its factorization.

212213420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7333845.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212213420131 its reverse (131024312212), we get a palindrome (343237732343).

The spelling of 212213420131 in words is "two hundred twelve billion, two hundred thirteen million, four hundred twenty thousand, one hundred thirty-one".