212773887984 has 160 divisors (see below), whose sum is σ = 671491021824. Its totient is φ = 56731023360.

The previous prime is 212773887973. The next prime is 212773888013. The reversal of 212773887984 is 489788377212.

212773887984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 18919 + ... + 652614.

Almost surely, 2^212773887984 is an apocalyptic number.

212773887984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212773887984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335745510912).

212773887984 is an abundant number, since it is smaller than the sum of its proper divisors (458717133840).

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

212773887984 is a wasteful number, since it uses less digits than its factorization.

212773887984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671615 (or 671609 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 66.

The spelling of 212773887984 in words is "two hundred twelve billion, seven hundred seventy-three million, eight hundred eighty-seven thousand, nine hundred eighty-four".