3121220433322 has 32 divisors (see below), whose sum is σ = 4836672388800. Its totient is φ = 1509695241600.

The previous prime is 3121220433277. The next prime is 3121220433329. The reversal of 3121220433322 is 2233340221213.

It is not an unprimeable number, because it can be changed into a prime (3121220433329) 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, 4318929 + ... + 4989547.

It is an arithmetic number, because the mean of its divisors is an integer number (151146012150).

Almost surely, 2^{3121220433322} is an apocalyptic number.

3121220433322 is a deficient number, since it is larger than the sum of its proper divisors (1715451955478).

3121220433322 is a wasteful number, since it uses less digits than its factorization.

3121220433322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671142.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 3121220433322 its reverse (2233340221213), we get a palindrome (5354560654535).

The spelling of 3121220433322 in words is "three trillion, one hundred twenty-one billion, two hundred twenty million, four hundred thirty-three thousand, three hundred twenty-two".