3223121112 has 128 divisors (see below), whose sum is σ = 9206784000. Its totient is φ = 1044368640.

The previous prime is 3223121101. The next prime is 3223121113. The reversal of 3223121112 is 2111213223.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118089 + ... + 1120967.

It is an arithmetic number, because the mean of its divisors is an integer number (71928000).

Almost surely, 2^3223121112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3223121112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4603392000).

3223121112 is an abundant number, since it is smaller than the sum of its proper divisors (5983662888).

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

3223121112 is a wasteful number, since it uses less digits than its factorization.

3223121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3028 counting only the distinct ones).

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

The square root of 3223121112 is about 56772.5383614296. The cubic root of 3223121112 is about 1477.1532067632.

Adding to 3223121112 its reverse (2111213223), we get a palindrome (5334334335).

The spelling of 3223121112 in words is "three billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twelve".