1003213012 has 12 divisors (see below), whose sum is σ = 1779672916. Its totient is φ = 494735040.

The previous prime is 1003213009. The next prime is 1003213019. The reversal of 1003213012 is 2103123001.

It can be written as a sum of positive squares in 2 ways, for example, as 183765136 + 819447876 = 13556^2 + 28626^2 .

It is a super-2 number, since 2×1003213012² = 2012872694892224288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1003212983 and 1003213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003213019) 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 3 ways as a sum of consecutive naturals, for example, 1717539 + ... + 1718122.

Almost surely, 2^1003213012 is an apocalyptic number.

It is an amenable number.

1003213012 is a deficient number, since it is larger than the sum of its proper divisors (776459904).

1003213012 is a wasteful number, since it uses less digits than its factorization.

1003213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435738 (or 3435736 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1003213012 is about 31673.5380404526. The cubic root of 1003213012 is about 1001.0698589935.

Adding to 1003213012 its reverse (2103123001), we get a palindrome (3106336013).

The spelling of 1003213012 in words is "one billion, three million, two hundred thirteen thousand, twelve".