1002212003 has 4 divisors (see below), whose sum is σ = 1079305248. Its totient is φ = 925118760.

The previous prime is 1002211997. The next prime is 1002212011. The reversal of 1002212003 is 3002122001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002212003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002212093) 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, 38546603 + ... + 38546628.

It is an arithmetic number, because the mean of its divisors is an integer number (269826312).

Almost surely, 2^1002212003 is an apocalyptic number.

1002212003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1002212003 is a deficient number, since it is larger than the sum of its proper divisors (77093245).

1002212003 is an equidigital number, since it uses as much as digits as its factorization.

1002212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77093244.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002212003 is about 31657.7321202893. The cubic root of 1002212003 is about 1000.7367913385.

Adding to 1002212003 its reverse (3002122001), we get a palindrome (4004334004).

The spelling of 1002212003 in words is "one billion, two million, two hundred twelve thousand, three".