212843108304 has 120 divisors (see below), whose sum is σ = 611691867072. Its totient is φ = 69050580480.

The previous prime is 212843108299. The next prime is 212843108327. The reversal of 212843108304 is 403801348212.

It is a happy number.

212843108304 is a `hidden beast` number, since 212 + 8 + 431 + 0 + 8 + 3 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1678789 + ... + 1801115.

Almost surely, 2^212843108304 is an apocalyptic number.

212843108304 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 212843108304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305845933536).

212843108304 is an abundant number, since it is smaller than the sum of its proper divisors (398848758768).

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

212843108304 is a wasteful number, since it uses less digits than its factorization.

212843108304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122665 (or 122656 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 212843108304 in words is "two hundred twelve billion, eight hundred forty-three million, one hundred eight thousand, three hundred four".