1000212003 has 64 divisors (see below), whose sum is σ = 1808179200. Its totient is φ = 533705760.

The previous prime is 1000211999. The next prime is 1000212007. The reversal of 1000212003 is 3002120001.

It is a happy number.

1000212003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1000211999) and next prime (1000212007).

It is not a de Polignac number, because 1000212003 - 2² = 1000211999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1000212007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253000 + ... + 256922.

It is an arithmetic number, because the mean of its divisors is an integer number (28252800).

Almost surely, 2^1000212003 is an apocalyptic number.

1000212003 is a deficient number, since it is larger than the sum of its proper divisors (807967197).

1000212003 is a wasteful number, since it uses less digits than its factorization.

1000212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029 (or 4023 counting only the distinct ones).

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

The square root of 1000212003 is about 31626.1284857948. The cubic root of 1000212003 is about 1000.0706626733.

Adding to 1000212003 its reverse (3002120001), we get a palindrome (4002332004).

The spelling of 1000212003 in words is "one billion, two hundred twelve thousand, three".