3221230210212 has 24 divisors (see below), whose sum is σ = 8589947227456. Its totient is φ = 920351488608.

The previous prime is 3221230210193. The next prime is 3221230210217. The reversal of 3221230210212 is 2120120321223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3221230210217) 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, 19173989263 + ... + 19173989430.

Almost surely, 2^{3221230210212} is an apocalyptic number.

It is an amenable number.

3221230210212 is an abundant number, since it is smaller than the sum of its proper divisors (5368717017244).

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

3221230210212 is a wasteful number, since it uses less digits than its factorization.

3221230210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38347978707 (or 38347978705 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 3221230210212 its reverse (2120120321223), we get a palindrome (5341350531435).

The spelling of 3221230210212 in words is "three trillion, two hundred twenty-one billion, two hundred thirty million, two hundred ten thousand, two hundred twelve".