212322719630 has 32 divisors (see below), whose sum is σ = 436795614720. Its totient is φ = 72793452960.

The previous prime is 212322719629. The next prime is 212322719633. The reversal of 212322719630 is 36917223212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322719633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2430815 + ... + 2516645.

It is an arithmetic number, because the mean of its divisors is an integer number (13649862960).

Almost surely, 2^212322719630 is an apocalyptic number.

212322719630 is an abundant number, since it is smaller than the sum of its proper divisors (224472895090).

212322719630 is a wasteful number, since it uses less digits than its factorization.

212322719630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121184.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 212322719630 in words is "two hundred twelve billion, three hundred twenty-two million, seven hundred nineteen thousand, six hundred thirty".