3221003012 has 6 divisors (see below), whose sum is σ = 5636755278. Its totient is φ = 1610501504.

The previous prime is 3221003003. The next prime is 3221003047. The reversal of 3221003012 is 2103001223.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2526469696 + 694533316 = 50264^2 + 26354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402625373 + ... + 402625380.

It is an arithmetic number, because the mean of its divisors is an integer number (939459213).

Almost surely, 2^3221003012 is an apocalyptic number.

It is an amenable number.

3221003012 is a deficient number, since it is larger than the sum of its proper divisors (2415752266).

3221003012 is a wasteful number, since it uses less digits than its factorization.

3221003012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805250757 (or 805250755 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3221003012 is about 56753.8810302873. The cubic root of 3221003012 is about 1476.8295614815.

Adding to 3221003012 its reverse (2103001223), we get a palindrome (5324004235).

The spelling of 3221003012 in words is "three billion, two hundred twenty-one million, three thousand, twelve".