212343800 has 96 divisors (see below), whose sum is σ = 527644800. Its totient is φ = 79296000.

The previous prime is 212343793. The next prime is 212343823. The reversal of 212343800 is 8343212.

212343800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×212343800³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 179210 + ... + 180390.

It is an arithmetic number, because the mean of its divisors is an integer number (5496300).

Almost surely, 2^212343800 is an apocalyptic number.

212343800 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 212343800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263822400).

212343800 is an abundant number, since it is smaller than the sum of its proper divisors (315301000).

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

212343800 is a wasteful number, since it uses less digits than its factorization.

212343800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 212343800 is about 14572.0211364107. The cubic root of 212343800 is about 596.5953467321.

The spelling of 212343800 in words is "two hundred twelve million, three hundred forty-three thousand, eight hundred".