212300022204 has 36 divisors (see below), whose sum is σ = 559979770896. Its totient is φ = 67689861888.

The previous prime is 212300022191. The next prime is 212300022229. The reversal of 212300022204 is 402220003212.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 128199669 + ... + 128201324.

It is an arithmetic number, because the mean of its divisors is an integer number (15554993636).

Almost surely, 2^212300022204 is an apocalyptic number.

It is an amenable number.

212300022204 is an abundant number, since it is smaller than the sum of its proper divisors (347679748692).

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

212300022204 is a wasteful number, since it uses less digits than its factorization.

212300022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256401026 (or 256401021 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 212300022204 its reverse (402220003212), we get a palindrome (614520025416).

The spelling of 212300022204 in words is "two hundred twelve billion, three hundred million, twenty-two thousand, two hundred four".