10212003 has 6 divisors (see below), whose sum is σ = 14750684. Its totient is φ = 6807996.

The previous prime is 10211983. The next prime is 10212011. The reversal of 10212003 is 30021201.

It is a happy number.

It is not a de Polignac number, because 10212003 - 2⁹ = 10211491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1134667 = 10212003 / (1 + 0 + 2 + 1 + 2 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212203) 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 5 ways as a sum of consecutive naturals, for example, 567325 + ... + 567342.

Almost surely, 2^10212003 is an apocalyptic number.

10212003 is a deficient number, since it is larger than the sum of its proper divisors (4538681).

10212003 is a wasteful number, since it uses less digits than its factorization.

10212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134673 (or 1134670 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10212003 is about 3195.6224745736. The cubic root of 10212003 is about 216.9553236121.

Adding to 10212003 its reverse (30021201), we get a palindrome (40233204).

The spelling of 10212003 in words is "ten million, two hundred twelve thousand, three".