212534565530 has 32 divisors (see below), whose sum is σ = 437239313280. Its totient is φ = 72864768960.

The previous prime is 212534565521. The next prime is 212534565541. The reversal of 212534565530 is 35565435212.

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 15 ways as a sum of consecutive naturals, for example, 1278341 + ... + 1434999.

It is an arithmetic number, because the mean of its divisors is an integer number (13663728540).

Almost surely, 2^212534565530 is an apocalyptic number.

212534565530 is an abundant number, since it is smaller than the sum of its proper divisors (224704747750).

212534565530 is a wasteful number, since it uses less digits than its factorization.

212534565530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176054.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 212534565530 in words is "two hundred twelve billion, five hundred thirty-four million, five hundred sixty-five thousand, five hundred thirty".