3122122212 has 192 divisors, whose sum is σ = 9283921920. Its totient is φ = 898128000.

The previous prime is 3122122163. The next prime is 3122122249. The reversal of 3122122212 is 2122212213.

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 an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4453462 + ... + 4454162.

It is an arithmetic number, because the mean of its divisors is an integer number (48353760).

Almost surely, 2^3122122212 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 3122122212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4641960960).

3122122212 is an abundant number, since it is smaller than the sum of its proper divisors (6161799708).

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

3122122212 is a wasteful number, since it uses less digits than its factorization.

3122122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 903 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 3122122212 is about 55875.9537905171. The cubic root of 3122122212 is about 1461.5599471068.

Adding to 3122122212 its reverse (2122212213), we get a palindrome (5244334425).

Subtracting from 3122122212 its reverse (2122212213), we obtain a palindrome (999909999).

The spelling of 3122122212 in words is "three billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".