212542523056 has 10 divisors (see below), whose sum is σ = 411801138452. Its totient is φ = 106271261520.

The previous prime is 212542523047. The next prime is 212542523059. The reversal of 212542523056 is 650325245212.

It is not an unprimeable number, because it can be changed into a prime (212542523059) 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 as a sum of consecutive naturals, namely, 6641953830 + ... + 6641953861.

Almost surely, 2^212542523056 is an apocalyptic number.

It is an amenable number.

212542523056 is a deficient number, since it is larger than the sum of its proper divisors (199258615396).

212542523056 is a wasteful number, since it uses less digits than its factorization.

212542523056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13283907699 (or 13283907693 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 212542523056 its reverse (650325245212), we get a palindrome (862867768268).

The spelling of 212542523056 in words is "two hundred twelve billion, five hundred forty-two million, five hundred twenty-three thousand, fifty-six".