3123130320000 has 480 divisors, whose sum is σ = 11821442490000. Its totient is φ = 788997888000.

The previous prime is 3123130319983. The next prime is 3123130320059. The reversal of 3123130320000 is 230313213.

3123130320000 is a `hidden beast` number, since 31 + 2 + 313 + 0 + 320 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13565851 + ... + 13794149.

Almost surely, 2^{3123130320000} is an apocalyptic number.

3123130320000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123130320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5910721245000).

3123130320000 is an abundant number, since it is smaller than the sum of its proper divisors (8698312170000).

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

3123130320000 is a wasteful number, since it uses less digits than its factorization.

3123130320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228358 (or 228328 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 3123130320000 its reverse (230313213), we get a palindrome (3123360633213).

The spelling of 3123130320000 in words is "three trillion, one hundred twenty-three billion, one hundred thirty million, three hundred twenty thousand".