999982212 has 48 divisors (see below), whose sum is σ = 2365336512. Its totient is φ = 328781440.

The previous prime is 999982189. The next prime is 999982213. The reversal of 999982212 is 212289999.

It is not an unprimeable number, because it can be changed into a prime (999982213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270118 + ... + 273794.

It is an arithmetic number, because the mean of its divisors is an integer number (49277844).

Almost surely, 2^999982212 is an apocalyptic number.

It is an amenable number.

999982212 is an abundant number, since it is smaller than the sum of its proper divisors (1365354300).

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

999982212 is a wasteful number, since it uses less digits than its factorization.

999982212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3986 counting only the distinct ones).

The product of its digits is 419904, while the sum is 51.

The square root of 999982212 is about 31622.4953474580. The cubic root of 999982212 is about 999.9940706315.

The spelling of 999982212 in words is "nine hundred ninety-nine million, nine hundred eighty-two thousand, two hundred twelve".