212356304430444 has 36 divisors (see below), whose sum is σ = 554105339161920. Its totient is φ = 68502033686880.

The previous prime is 212356304430427. The next prime is 212356304430451. The reversal of 212356304430444 is 444034403653212.

212356304430444 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 5 + 630 + 4 + 4 + 3 + 0 + 4 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 212356304430444.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95141712339 + ... + 95141714570.

It is an arithmetic number, because the mean of its divisors is an integer number (15391814976720).

Almost surely, 2^{212356304430444} is an apocalyptic number.

It is an amenable number.

212356304430444 is an abundant number, since it is smaller than the sum of its proper divisors (341749034731476).

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

212356304430444 is a wasteful number, since it uses less digits than its factorization.

212356304430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190283426950 (or 190283426945 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 45.

The spelling of 212356304430444 in words is "two hundred twelve trillion, three hundred fifty-six billion, three hundred four million, four hundred thirty thousand, four hundred forty-four".