212131313230 has 32 divisors (see below), whose sum is σ = 395032528800. Its totient is φ = 81920479872.

The previous prime is 212131313213. The next prime is 212131313237. The reversal of 212131313230 is 32313131212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131313237) 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 15 ways as a sum of consecutive naturals, for example, 6996784 + ... + 7027036.

It is an arithmetic number, because the mean of its divisors is an integer number (12344766525).

Almost surely, 2^212131313230 is an apocalyptic number.

212131313230 is a deficient number, since it is larger than the sum of its proper divisors (182901215570).

212131313230 is a wasteful number, since it uses less digits than its factorization.

212131313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54468.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212131313230 its reverse (32313131212), we get a palindrome (244444444442).

The spelling of 212131313230 in words is "two hundred twelve billion, one hundred thirty-one million, three hundred thirteen thousand, two hundred thirty".