212279840316 has 24 divisors (see below), whose sum is σ = 550355141840. Its totient is φ = 70759946736.

The previous prime is 212279840303. The next prime is 212279840317. The reversal of 212279840316 is 613048972212.

212279840316 is a `hidden beast` number, since 2 + 1 + 227 + 9 + 8 + 403 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212279840317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982776931 + ... + 982777146.

Almost surely, 2^212279840316 is an apocalyptic number.

It is an amenable number.

212279840316 is an abundant number, since it is smaller than the sum of its proper divisors (338075301524).

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

212279840316 is a wasteful number, since it uses less digits than its factorization.

212279840316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965554090 (or 1965554082 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 212279840316 in words is "two hundred twelve billion, two hundred seventy-nine million, eight hundred forty thousand, three hundred sixteen".