212000331331 has 4 divisors (see below), whose sum is σ = 212926097200. Its totient is φ = 211074565464.

The previous prime is 212000331259. The next prime is 212000331343. The reversal of 212000331331 is 133133000212.

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

It is a cyclic number.

It is not a de Polignac number, because 212000331331 - 2²¹ = 211998234179 is a prime.

It is a super-2 number, since 2×212000331331² (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 = 212000331299 and 212000331308.

It is not an unprimeable number, because it can be changed into a prime (212000331371) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 462882591 + ... + 462883048.

It is an arithmetic number, because the mean of its divisors is an integer number (53231524300).

Almost surely, 2^212000331331 is an apocalyptic number.

212000331331 is a deficient number, since it is larger than the sum of its proper divisors (925765869).

212000331331 is an equidigital number, since it uses as much as digits as its factorization.

212000331331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925765868.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 212000331331 its reverse (133133000212), we get a palindrome (345133331543).

The spelling of 212000331331 in words is "two hundred twelve billion, three hundred thirty-one thousand, three hundred thirty-one".