3221123130212 has 24 divisors (see below), whose sum is σ = 6070746814272. Its totient is φ = 1486630922400.

The previous prime is 3221123130187. The next prime is 3221123130217. The reversal of 3221123130212 is 2120313211223.

It is not an unprimeable number, because it can be changed into a prime (3221123130217) 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, 1071287 + ... + 2754977.

It is an arithmetic number, because the mean of its divisors is an integer number (252947783928).

Almost surely, 2^{3221123130212} is an apocalyptic number.

It is an amenable number.

3221123130212 is a deficient number, since it is larger than the sum of its proper divisors (2849623684060).

3221123130212 is a wasteful number, since it uses less digits than its factorization.

3221123130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720499 (or 1720497 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3221123130212 its reverse (2120313211223), we get a palindrome (5341436341435).

The spelling of 3221123130212 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twelve".