1000122212 has 12 divisors (see below), whose sum is σ = 1787452800. Its totient is φ = 489421416.

The previous prime is 1000122191. The next prime is 1000122239. The reversal of 1000122212 is 2122210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1000122193 and 1000122202.

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, 2659712 + ... + 2660087.

It is an arithmetic number, because the mean of its divisors is an integer number (148954400).

Almost surely, 2^1000122212 is an apocalyptic number.

It is an amenable number.

1000122212 is a deficient number, since it is larger than the sum of its proper divisors (787330588).

1000122212 is a wasteful number, since it uses less digits than its factorization.

1000122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319850 (or 5319848 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1000122212 is about 31624.7088840356. The cubic root of 1000122212 is about 1000.0407356739.

Adding to 1000122212 its reverse (2122210001), we get a palindrome (3122332213).

The spelling of 1000122212 in words is "one billion, one hundred twenty-two thousand, two hundred twelve".