212330021303124 has 18 divisors (see below), whose sum is σ = 536723109405210. Its totient is φ = 70776673767696.

The previous prime is 212330021303107. The next prime is 212330021303149. The reversal of 212330021303124 is 421303120033212.

212330021303124 is a `hidden beast` number, since 2 + 1 + 2 + 330 + 0 + 2 + 1 + 303 + 1 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 179378609832900 + 32951411470224 = 13393230^2 + 5740332^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2949028073619 + ... + 2949028073690.

Almost surely, 2^{212330021303124} is an apocalyptic number.

It is an amenable number.

212330021303124 is an abundant number, since it is smaller than the sum of its proper divisors (324393088102086).

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

212330021303124 is a wasteful number, since it uses less digits than its factorization.

212330021303124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898056147319 (or 5898056147314 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 212330021303124 its reverse (421303120033212), we get a palindrome (633633141336336).

The spelling of 212330021303124 in words is "two hundred twelve trillion, three hundred thirty billion, twenty-one million, three hundred three thousand, one hundred twenty-four".