212243552718720 has 128 divisors (see below), whose sum is σ = 680031643220640. Its totient is φ = 56305025286144.

The previous prime is 212243552718707. The next prime is 212243552718749. The reversal of 212243552718720 is 27817255342212.

It is a tau number, because it is divible by the number of its divisors (128).

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, 286011609 + ... + 286752728.

Almost surely, 2^{212243552718720} is an apocalyptic number.

212243552718720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212243552718720 is an abundant number, since it is smaller than the sum of its proper divisors (467788090501920).

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

212243552718720 is a wasteful number, since it uses less digits than its factorization.

212243552718720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572764552 (or 572764540 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 212243552718720 in words is "two hundred twelve trillion, two hundred forty-three billion, five hundred fifty-two million, seven hundred eighteen thousand, seven hundred twenty".