212131130240212 has 48 divisors (see below), whose sum is σ = 403692707513088. Its totient is φ = 97127733588480.

The previous prime is 212131130240209. The next prime is 212131130240213. The reversal of 212131130240212 is 212042031131212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212131130240213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 704306793 + ... + 704607919.

It is an arithmetic number, because the mean of its divisors is an integer number (8410264739856).

Almost surely, 2^{212131130240212} is an apocalyptic number.

It is an amenable number.

212131130240212 is a deficient number, since it is larger than the sum of its proper divisors (191561577272876).

212131130240212 is a wasteful number, since it uses less digits than its factorization.

212131130240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581176 (or 581174 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 212131130240212 its reverse (212042031131212), we get a palindrome (424173161371424).

The spelling of 212131130240212 in words is "two hundred twelve trillion, one hundred thirty-one billion, one hundred thirty million, two hundred forty thousand, two hundred twelve".