284212121806 has 8 divisors (see below), whose sum is σ = 426405041640. Its totient is φ = 142077107928.

The previous prime is 284212121759. The next prime is 284212121827. The reversal of 284212121806 is 608121212482.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 14464216 + ... + 14483851.

It is an arithmetic number, because the mean of its divisors is an integer number (53300630205).

Almost surely, 2^284212121806 is an apocalyptic number.

284212121806 is a deficient number, since it is larger than the sum of its proper divisors (142192919834).

284212121806 is a wasteful number, since it uses less digits than its factorization.

284212121806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28952978.

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 284212121806 in words is "two hundred eighty-four billion, two hundred twelve million, one hundred twenty-one thousand, eight hundred six".