3112121322 has 24 divisors (see below), whose sum is σ = 6805951776. Its totient is φ = 1027678056.

The previous prime is 3112121317. The next prime is 3112121377. The reversal of 3112121322 is 2231212113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3112121295 and 3112121304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805998 + ... + 809849.

It is an arithmetic number, because the mean of its divisors is an integer number (283581324).

Almost surely, 2^3112121322 is an apocalyptic number.

3112121322 is an abundant number, since it is smaller than the sum of its proper divisors (3693830454).

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

3112121322 is a wasteful number, since it uses less digits than its factorization.

3112121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615962 (or 1615959 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 3112121322 is about 55786.3901144356. The cubic root of 3112121322 is about 1459.9977046940.

Adding to 3112121322 its reverse (2231212113), we get a palindrome (5343333435).

The spelling of 3112121322 in words is "three billion, one hundred twelve million, one hundred twenty-one thousand, three hundred twenty-two".