212402442240224 has 24 divisors (see below), whose sum is σ = 418175650149768. Its totient is φ = 106199102519680.

The previous prime is 212402442240217. The next prime is 212402442240253. The reversal of 212402442240224 is 422042244204212.

It is a happy number.

It is a super-2 number, since 2×212402442240224² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64576487 + ... + 67785894.

It is an arithmetic number, because the mean of its divisors is an integer number (17423985422907).

Almost surely, 2^{212402442240224} is an apocalyptic number.

It is an amenable number.

212402442240224 is a deficient number, since it is larger than the sum of its proper divisors (205773207909544).

212402442240224 is a wasteful number, since it uses less digits than its factorization.

212402442240224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132412538 (or 132412530 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 212402442240224 its reverse (422042244204212), we get a palindrome (634444686444436).

The spelling of 212402442240224 in words is "two hundred twelve trillion, four hundred two billion, four hundred forty-two million, two hundred forty thousand, two hundred twenty-four".