217482388112 has 40 divisors (see below), whose sum is σ = 459723037152. Its totient is φ = 98846092800.

The previous prime is 217482388001. The next prime is 217482388127. The reversal of 217482388112 is 211883284712.

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, 1964312 + ... + 2072072.

Almost surely, 2^217482388112 is an apocalyptic number.

217482388112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

217482388112 is an abundant number, since it is smaller than the sum of its proper divisors (242240649040).

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

217482388112 is a wasteful number, since it uses less digits than its factorization.

217482388112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119247 (or 119241 counting only the distinct ones).

The product of its digits is 344064, while the sum is 47.

The spelling of 217482388112 in words is "two hundred seventeen billion, four hundred eighty-two million, three hundred eighty-eight thousand, one hundred twelve".