3121232223312 has 100 divisors (see below), whose sum is σ = 10324287569376. Its totient is φ = 891780632640.

The previous prime is 3121232223301. The next prime is 3121232223341. The reversal of 3121232223312 is 2133222321213.

3121232223312 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 2 + 322 + 2 + 331 + 2 = 666.

3121232223312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172016514 + ... + 172034657.

Almost surely, 2^{3121232223312} is an apocalyptic number.

It is an amenable number.

3121232223312 is an abundant number, since it is smaller than the sum of its proper divisors (7203055346064).

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

3121232223312 is a wasteful number, since it uses less digits than its factorization.

3121232223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344051198 (or 344051183 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 3121232223312 its reverse (2133222321213), we get a palindrome (5254454544525).

The spelling of 3121232223312 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, three hundred twelve".