3221211202012 has 6 divisors (see below), whose sum is σ = 5637119603528. Its totient is φ = 1610605601004.

The previous prime is 3221211202003. The next prime is 3221211202019. The reversal of 3221211202012 is 2102021121223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221211202019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402651400248 + ... + 402651400255.

Almost surely, 2^{3221211202012} is an apocalyptic number.

It is an amenable number.

3221211202012 is a deficient number, since it is larger than the sum of its proper divisors (2415908401516).

3221211202012 is a wasteful number, since it uses less digits than its factorization.

3221211202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805302800507 (or 805302800505 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 3221211202012 its reverse (2102021121223), we get a palindrome (5323232323235).

The spelling of 3221211202012 in words is "three trillion, two hundred twenty-one billion, two hundred eleven million, two hundred two thousand, twelve".