212031023324 has 12 divisors (see below), whose sum is σ = 371057870400. Its totient is φ = 106014488928.

The previous prime is 212031023297. The next prime is 212031023327. The reversal of 212031023324 is 423320130212.

It is a self number, because there is not a number n which added to its sum of digits gives 212031023324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031023327) 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, 394472 + ... + 761360.

It is an arithmetic number, because the mean of its divisors is an integer number (30921489200).

Almost surely, 2^212031023324 is an apocalyptic number.

It is an amenable number.

212031023324 is a deficient number, since it is larger than the sum of its proper divisors (159026847076).

212031023324 is a wasteful number, since it uses less digits than its factorization.

212031023324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511372 (or 511370 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212031023324 its reverse (423320130212), we get a palindrome (635351153536).

The spelling of 212031023324 in words is "two hundred twelve billion, thirty-one million, twenty-three thousand, three hundred twenty-four".