1002012212 has 12 divisors (see below), whose sum is σ = 1754876256. Its totient is φ = 500619000.

The previous prime is 1002012211. The next prime is 1002012229. The reversal of 1002012212 is 2122102001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002012193 and 1002012202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002012211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90914 + ... + 101337.

It is an arithmetic number, because the mean of its divisors is an integer number (146239688).

Almost surely, 2^1002012212 is an apocalyptic number.

It is an amenable number.

1002012212 is a deficient number, since it is larger than the sum of its proper divisors (752864044).

1002012212 is a wasteful number, since it uses less digits than its factorization.

1002012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193558 (or 193556 counting only the distinct ones).

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

The square root of 1002012212 is about 31654.5764779755. The cubic root of 1002012212 is about 1000.6702879470.

Adding to 1002012212 its reverse (2122102001), we get a palindrome (3124114213).

The spelling of 1002012212 in words is "one billion, two million, twelve thousand, two hundred twelve".