3120305200 has 60 divisors (see below), whose sum is σ = 7530365248. Its totient is φ = 1242489600.

The previous prime is 3120305183. The next prime is 3120305233. The reversal of 3120305200 is 25030213.

It is a super-2 number, since 2×3120305200² = 19472609082294080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71710 + ... + 106690.

Almost surely, 2^3120305200 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 3120305200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3765182624).

3120305200 is an abundant number, since it is smaller than the sum of its proper divisors (4410060048).

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

3120305200 is a wasteful number, since it uses less digits than its factorization.

3120305200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35222 (or 35211 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3120305200 is about 55859.6920865126. The cubic root of 3120305200 is about 1461.2763593065.

Adding to 3120305200 its reverse (25030213), we get a palindrome (3145335413).

The spelling of 3120305200 in words is "three billion, one hundred twenty million, three hundred five thousand, two hundred".