3122121132 has 96 divisors (see below), whose sum is σ = 8739953600. Its totient is φ = 958127616.

The previous prime is 3122121109. The next prime is 3122121133. The reversal of 3122121132 is 2311212213.

It is a super-2 number, since 2×3122121132² = 19495280725761922848, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (3122121133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 571518 + ... + 576954.

Almost surely, 2^3122121132 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 3122121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4369976800).

3122121132 is an abundant number, since it is smaller than the sum of its proper divisors (5617832468).

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

3122121132 is a wasteful number, since it uses less digits than its factorization.

3122121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5864 counting only the distinct ones).

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

The square root of 3122121132 is about 55875.9441262517. The cubic root of 3122121132 is about 1461.5597785799.

Adding to 3122121132 its reverse (2311212213), we get a palindrome (5433333345).

The spelling of 3122121132 in words is "three billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-two".