212444646444212 has 96 divisors (see below), whose sum is σ = 477473578132992. Its totient is φ = 80388935294976.

The previous prime is 212444646444169. The next prime is 212444646444269.

212444646444212 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237237148 + ... + 1237408844.

It is an arithmetic number, because the mean of its divisors is an integer number (4973683105552).

Almost surely, 2^{212444646444212} is an apocalyptic number.

It is an amenable number.

212444646444212 is an abundant number, since it is smaller than the sum of its proper divisors (265028931688780).

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

212444646444212 is a wasteful number, since it uses less digits than its factorization.

212444646444212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319537 (or 319535 counting only the distinct ones).

The product of its digits is 9437184, while the sum is 50.

The spelling of 212444646444212 in words is "two hundred twelve trillion, four hundred forty-four billion, six hundred forty-six million, four hundred forty-four thousand, two hundred twelve".