3122421312 has 56 divisors (see below), whose sum is σ = 8437205376. Its totient is φ = 1018659328.

The previous prime is 3122421299. The next prime is 3122421319. The reversal of 3122421312 is 2131242213.

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 (3122421319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163983 + ... + 182030.

Almost surely, 2^3122421312 is an apocalyptic number.

3122421312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3122421312 is an abundant number, since it is smaller than the sum of its proper divisors (5314784064).

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

3122421312 is a wasteful number, since it uses less digits than its factorization.

3122421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346075 (or 346065 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 3122421312 is about 55878.6301907983. The cubic root of 3122421312 is about 1461.6066182055.

Adding to 3122421312 its reverse (2131242213), we get a palindrome (5253663525).

The spelling of 3122421312 in words is "three billion, one hundred twenty-two million, four hundred twenty-one thousand, three hundred twelve".