1003003212 has 24 divisors (see below), whose sum is σ = 2342200896. Its totient is φ = 334068688.

The previous prime is 1003003187. The next prime is 1003003219. The reversal of 1003003212 is 2123003001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1003003219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17178 + ... + 47969.

It is an arithmetic number, because the mean of its divisors is an integer number (97591704).

Almost surely, 2^1003003212 is an apocalyptic number.

1003003212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003003212 is an abundant number, since it is smaller than the sum of its proper divisors (1339197684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003003212 is a wasteful number, since it uses less digits than its factorization.

1003003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66437 (or 66435 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1003003212 is about 31670.2259543566. The cubic root of 1003003212 is about 1001.0000701929. Note that the first 4 decimals are identical.

Adding to 1003003212 its reverse (2123003001), we get a palindrome (3126006213).

The spelling of 1003003212 in words is "one billion, three million, three thousand, two hundred twelve".