3112222131312 has 80 divisors (see below), whose sum is σ = 9505309002240. Its totient is φ = 858544033536.

The previous prime is 3112222131209. The next prime is 3112222131323. The reversal of 3112222131312 is 2131312222113.

It is a super-3 number, since 3×3112222131312³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159689668 + ... + 159709155.

It is an arithmetic number, because the mean of its divisors is an integer number (118816362528).

Almost surely, 2^{3112222131312} is an apocalyptic number.

It is an amenable number.

3112222131312 is an abundant number, since it is smaller than the sum of its proper divisors (6393086870928).

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

3112222131312 is a wasteful number, since it uses less digits than its factorization.

3112222131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319398870 (or 319398864 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 3112222131312 its reverse (2131312222113), we get a palindrome (5243534353425).

The spelling of 3112222131312 in words is "three trillion, one hundred twelve billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred twelve".