212107327544 has 64 divisors (see below), whose sum is σ = 470683535040. Its totient is φ = 87725813760.

The previous prime is 212107327543. The next prime is 212107327571. The reversal of 212107327544 is 445723701212.

It is a junction number, because it is equal to n+sod(n) for n = 212107327498 and 212107327507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212107327541) 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 in 15 ways as a sum of consecutive naturals, for example, 404729 + ... + 766824.

It is an arithmetic number, because the mean of its divisors is an integer number (7354430235).

Almost surely, 2^212107327544 is an apocalyptic number.

It is an amenable number.

212107327544 is an abundant number, since it is smaller than the sum of its proper divisors (258576207496).

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

212107327544 is a wasteful number, since it uses less digits than its factorization.

212107327544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171680 (or 1171676 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 212107327544 in words is "two hundred twelve billion, one hundred seven million, three hundred twenty-seven thousand, five hundred forty-four".