212773800 has 96 divisors (see below), whose sum is σ = 672144480. Its totient is φ = 55660800.

The previous prime is 212773793. The next prime is 212773817. The reversal of 212773800 is 8377212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28455 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (7001505).

Almost surely, 2^212773800 is an apocalyptic number.

212773800 is a gapful number since it is divisible by the number (20) 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 212773800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336072240).

212773800 is an abundant number, since it is smaller than the sum of its proper divisors (459370680).

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

212773800 is a wasteful number, since it uses less digits than its factorization.

212773800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6763 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 212773800 is about 14586.7679764916. The cubic root of 212773800 is about 596.9977806314.

The spelling of 212773800 in words is "two hundred twelve million, seven hundred seventy-three thousand, eight hundred".