1002212012 has 24 divisors (see below), whose sum is σ = 1787472960. Its totient is φ = 491587200.

The previous prime is 1002212011. The next prime is 1002212039. The reversal of 1002212012 is 2102122001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002211984 and 1002212002.

It is not an unprimeable number, because it can be changed into a prime (1002212011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39512 + ... + 59712.

It is an arithmetic number, because the mean of its divisors is an integer number (74478040).

Almost surely, 2^1002212012 is an apocalyptic number.

It is an amenable number.

1002212012 is a deficient number, since it is larger than the sum of its proper divisors (785260948).

1002212012 is a wasteful number, since it uses less digits than its factorization.

1002212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20441 (or 20439 counting only the distinct ones).

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

The square root of 1002212012 is about 31657.7322624347. The cubic root of 1002212012 is about 1000.7367943341.

Adding to 1002212012 its reverse (2102122001), we get a palindrome (3104334013).

The spelling of 1002212012 in words is "one billion, two million, two hundred twelve thousand, twelve".