212028222748 has 12 divisors (see below), whose sum is σ = 371479348800. Its totient is φ = 105891265952.

The previous prime is 212028222733. The next prime is 212028222751. The reversal of 212028222748 is 847222820212.

It is a self number, because there is not a number n which added to its sum of digits gives 212028222748.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30707473 + ... + 30714376.

It is an arithmetic number, because the mean of its divisors is an integer number (30956612400).

Almost surely, 2^212028222748 is an apocalyptic number.

It is an amenable number.

212028222748 is a deficient number, since it is larger than the sum of its proper divisors (159451126052).

212028222748 is a wasteful number, since it uses less digits than its factorization.

212028222748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61422716 (or 61422714 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The spelling of 212028222748 in words is "two hundred twelve billion, twenty-eight million, two hundred twenty-two thousand, seven hundred forty-eight".