212004335886 has 32 divisors (see below), whose sum is σ = 484601902080. Its totient is φ = 60570097056.

The previous prime is 212004335857. The next prime is 212004335887. The reversal of 212004335886 is 688533400212.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212004335887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038660 + ... + 1225896.

It is an arithmetic number, because the mean of its divisors is an integer number (15143809440).

Almost surely, 2^212004335886 is an apocalyptic number.

212004335886 is an abundant number, since it is smaller than the sum of its proper divisors (272597566194).

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

212004335886 is a wasteful number, since it uses less digits than its factorization.

212004335886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214208.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 212004335886 in words is "two hundred twelve billion, four million, three hundred thirty-five thousand, eight hundred eighty-six".