212213413331 has 2 divisors, whose sum is σ = 212213413332. Its totient is φ = 212213413330.

The previous prime is 212213413297. The next prime is 212213413333. The reversal of 212213413331 is 133314312212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212213413331 - 2¹⁸ = 212213151187 is a prime.

It is a super-2 number, since 2×212213413331² (a number of 23 digits) contains 22 as substring.

Together with 212213413333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212213413331.

It is not a weakly prime, because it can be changed into another prime (212213413333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106706665 + 106106706666.

It is an arithmetic number, because the mean of its divisors is an integer number (106106706666).

Almost surely, 2^212213413331 is an apocalyptic number.

212213413331 is a deficient number, since it is larger than the sum of its proper divisors (1).

212213413331 is an equidigital number, since it uses as much as digits as its factorization.

212213413331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

Adding to 212213413331 its reverse (133314312212), we get a palindrome (345527725543).

The spelling of 212213413331 in words is "two hundred twelve billion, two hundred thirteen million, four hundred thirteen thousand, three hundred thirty-one".