212709323376 has 80 divisors (see below), whose sum is σ = 666059512320. Its totient is φ = 64457369280.

The previous prime is 212709323339. The next prime is 212709323381. The reversal of 212709323376 is 673323907212.

212709323376 is a `hidden beast` number, since 2 + 1 + 270 + 9 + 3 + 2 + 3 + 376 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22376280 + ... + 22385783.

It is an arithmetic number, because the mean of its divisors is an integer number (8325743904).

Almost surely, 2^212709323376 is an apocalyptic number.

It is an amenable number.

212709323376 is an abundant number, since it is smaller than the sum of its proper divisors (453350188944).

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

212709323376 is a wasteful number, since it uses less digits than its factorization.

212709323376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44762091 (or 44762079 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The spelling of 212709323376 in words is "two hundred twelve billion, seven hundred nine million, three hundred twenty-three thousand, three hundred seventy-six".