3222021222312 has 64 divisors (see below), whose sum is σ = 8531868049920. Its totient is φ = 1010476013568.

The previous prime is 3222021222307. The next prime is 3222021222319. The reversal of 3222021222312 is 2132221202223.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (3222021222319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216408 + ... + 2547719.

It is an arithmetic number, because the mean of its divisors is an integer number (133310438280).

Almost surely, 2^{3222021222312} is an apocalyptic number.

It is an amenable number.

3222021222312 is an abundant number, since it is smaller than the sum of its proper divisors (5309846827608).

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

3222021222312 is a wasteful number, since it uses less digits than its factorization.

3222021222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767010 (or 2767006 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 3222021222312 its reverse (2132221202223), we get a palindrome (5354242424535).

The spelling of 3222021222312 in words is "three trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, three hundred twelve".