212021101331224 has 32 divisors (see below), whose sum is σ = 426252400315200. Its totient is φ = 98511665840640.

The previous prime is 212021101331209. The next prime is 212021101331251. The reversal of 212021101331224 is 422133101120212.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9866942967 + ... + 9866964454.

It is an arithmetic number, because the mean of its divisors is an integer number (13320387509850).

Almost surely, 2^{212021101331224} is an apocalyptic number.

It is an amenable number.

212021101331224 is an abundant number, since it is smaller than the sum of its proper divisors (214231298983976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021101331224 is a wasteful number, since it uses less digits than its factorization.

212021101331224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19733907523 (or 19733907519 counting only the distinct ones).

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

Adding to 212021101331224 its reverse (422133101120212), we get a palindrome (634154202451436).

The spelling of 212021101331224 in words is "two hundred twelve trillion, twenty-one billion, one hundred one million, three hundred thirty-one thousand, two hundred twenty-four".