3123996120 has 256 divisors, whose sum is σ = 12037248000. Its totient is φ = 705881088.

The previous prime is 3123996103. The next prime is 3123996121. The reversal of 3123996120 is 216993213.

It is a happy number.

3123996120 is a `hidden beast` number, since 3 + 1 + 2 + 39 + 9 + 612 + 0 = 666.

3123996120 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123996121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 670519 + ... + 675161.

It is an arithmetic number, because the mean of its divisors is an integer number (47020500).

Almost surely, 2^3123996120 is an apocalyptic number.

3123996120 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 3123996120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6018624000).

3123996120 is an abundant number, since it is smaller than the sum of its proper divisors (8913251880).

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

3123996120 is a wasteful number, since it uses less digits than its factorization.

3123996120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 3123996120 is about 55892.7197405888. The cubic root of 3123996120 is about 1461.8522996503.

The spelling of 3123996120 in words is "three billion, one hundred twenty-three million, nine hundred ninety-six thousand, one hundred twenty".