3121130233120 has 96 divisors (see below), whose sum is σ = 7421733321408. Its totient is φ = 1240320273408.

The previous prime is 3121130233097. The next prime is 3121130233147. The reversal of 3121130233120 is 213320311213.

It is a junction number, because it is equal to n+sod(n) for n = 3121130233091 and 3121130233100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72924367 + ... + 72967153.

It is an arithmetic number, because the mean of its divisors is an integer number (77309722098).

Almost surely, 2^{3121130233120} 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 3121130233120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3710866660704).

3121130233120 is an abundant number, since it is smaller than the sum of its proper divisors (4300603088288).

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

3121130233120 is a wasteful number, since it uses less digits than its factorization.

3121130233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45762 (or 45754 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 3121130233120 its reverse (213320311213), we get a palindrome (3334450544333).

The spelling of 3121130233120 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, two hundred thirty-three thousand, one hundred twenty".