3123322031200 has 144 divisors (see below), whose sum is σ = 8716384615680. Its totient is φ = 1070568645120.

The previous prime is 3123322031189. The next prime is 3123322031201. The reversal of 3123322031200 is 21302233213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123322031201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21560611 + ... + 21704989.

It is an arithmetic number, because the mean of its divisors is an integer number (60530448720).

Almost surely, 2^{3123322031200} 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 3123322031200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4358192307840).

3123322031200 is an abundant number, since it is smaller than the sum of its proper divisors (5593062584480).

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

3123322031200 is a wasteful number, since it uses less digits than its factorization.

3123322031200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148269 (or 148256 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 3123322031200 its reverse (21302233213), we get a palindrome (3144624264413).

The spelling of 3123322031200 in words is "three trillion, one hundred twenty-three billion, three hundred twenty-two million, thirty-one thousand, two hundred".