212436522648 has 96 divisors (see below), whose sum is σ = 660161698560. Its totient is φ = 60454296000.

The previous prime is 212436522619. The next prime is 212436522659. The reversal of 212436522648 is 846225634212.

It is a happy number.

212436522648 is a `hidden beast` number, since 2 + 1 + 24 + 365 + 2 + 264 + 8 = 666.

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 23 ways as a sum of consecutive naturals, for example, 713140 + ... + 966147.

It is an arithmetic number, because the mean of its divisors is an integer number (6876684360).

Almost surely, 2^212436522648 is an apocalyptic number.

212436522648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212436522648 is an abundant number, since it is smaller than the sum of its proper divisors (447725175912).

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

212436522648 is a wasteful number, since it uses less digits than its factorization.

212436522648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679557 (or 1679550 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The spelling of 212436522648 in words is "two hundred twelve billion, four hundred thirty-six million, five hundred twenty-two thousand, six hundred forty-eight".