3122101312 has 56 divisors (see below), whose sum is σ = 6766267392. Its totient is φ = 1417536000.

The previous prime is 3122101273. The next prime is 3122101313. The reversal of 3122101312 is 2131012213.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (3122101313) 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, 808378 + ... + 812230.

Almost surely, 2^3122101312 is an apocalyptic number.

3122101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3122101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3383133696).

3122101312 is an abundant number, since it is smaller than the sum of its proper divisors (3644166080).

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

3122101312 is a wasteful number, since it uses less digits than its factorization.

3122101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5017 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3122101312 is about 55875.7667687881. The cubic root of 3122101312 is about 1461.5566857919.

Adding to 3122101312 its reverse (2131012213), we get a palindrome (5253113525).

The spelling of 3122101312 in words is "three billion, one hundred twenty-two million, one hundred one thousand, three hundred twelve".