3221203012 has 12 divisors (see below), whose sum is σ = 5639753196. Its totient is φ = 1609844960.

The previous prime is 3221203001. The next prime is 3221203033. The reversal of 3221203012 is 2103021223.

It can be written as a sum of positive squares in 2 ways, for example, as 2208436036 + 1012766976 = 46994^2 + 31824^2 .

It is a super-2 number, since 2×3221203012² = 20752297689035744288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179503 + ... + 196630.

It is an arithmetic number, because the mean of its divisors is an integer number (469979433).

Almost surely, 2^3221203012 is an apocalyptic number.

It is an amenable number.

3221203012 is a deficient number, since it is larger than the sum of its proper divisors (2418550184).

3221203012 is a wasteful number, since it uses less digits than its factorization.

3221203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378278 (or 378276 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3221203012 is about 56755.6429969743. The cubic root of 3221203012 is about 1476.8601275089.

Adding to 3221203012 its reverse (2103021223), we get a palindrome (5324224235).

The spelling of 3221203012 in words is "three billion, two hundred twenty-one million, two hundred three thousand, twelve".