3123032001020 has 96 divisors (see below), whose sum is σ = 6833970259200. Its totient is φ = 1197776652800.

The previous prime is 3123032000993. The next prime is 3123032001071. The reversal of 3123032001020 is 201002303213.

It is a self number, because there is not a number n which added to its sum of digits gives 3123032001020.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 290806811 + ... + 290817549.

It is an arithmetic number, because the mean of its divisors is an integer number (71187190200).

Almost surely, 2^{3123032001020} 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 3123032001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3416985129600).

3123032001020 is an abundant number, since it is smaller than the sum of its proper divisors (3710938258180).

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

3123032001020 is a wasteful number, since it uses less digits than its factorization.

3123032001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16859 (or 16857 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3123032001020 its reverse (201002303213), we get a palindrome (3324034304233).

The spelling of 3123032001020 in words is "three trillion, one hundred twenty-three billion, thirty-two million, one thousand, twenty".