384615816212 has 24 divisors (see below), whose sum is σ = 682638929280. Its totient is φ = 189576767520.

The previous prime is 384615816199. The next prime is 384615816227. The reversal of 384615816212 is 212618516483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2447714 + ... + 2600102.

It is an arithmetic number, because the mean of its divisors is an integer number (28443288720).

Almost surely, 2^384615816212 is an apocalyptic number.

It is an amenable number.

384615816212 is a deficient number, since it is larger than the sum of its proper divisors (298023113068).

384615816212 is a wasteful number, since it uses less digits than its factorization.

384615816212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161351 (or 161349 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The spelling of 384615816212 in words is "three hundred eighty-four billion, six hundred fifteen million, eight hundred sixteen thousand, two hundred twelve".