212333330331 has 6 divisors (see below), whose sum is σ = 306703699380. Its totient is φ = 141555553548.

The previous prime is 212333330269. The next prime is 212333330347. The reversal of 212333330331 is 133033333212.

212333330331 is a `hidden beast` number, since 2 + 1 + 23 + 333 + 303 + 3 + 1 = 666.

It is not a de Polignac number, because 212333330331 - 2⁷ = 212333330203 is a prime.

It is a super-2 number, since 2×212333330331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212333330295 and 212333330304.

It is not an unprimeable number, because it can be changed into a prime (212333330371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11796296121 + ... + 11796296138.

It is an arithmetic number, because the mean of its divisors is an integer number (51117283230).

Almost surely, 2^212333330331 is an apocalyptic number.

212333330331 is a deficient number, since it is larger than the sum of its proper divisors (94370369049).

212333330331 is a wasteful number, since it uses less digits than its factorization.

212333330331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23592592265 (or 23592592262 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 212333330331 its reverse (133033333212), we get a palindrome (345366663543).

The spelling of 212333330331 in words is "two hundred twelve billion, three hundred thirty-three million, three hundred thirty thousand, three hundred thirty-one".