3120120330 has 32 divisors (see below), whose sum is σ = 7928777664. Its totient is φ = 783088896.

The previous prime is 3120120319. The next prime is 3120120331. The reversal of 3120120330 is 330210213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3120120331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3058432 + ... + 3059451.

It is an arithmetic number, because the mean of its divisors is an integer number (247774302).

Almost surely, 2^3120120330 is an apocalyptic number.

3120120330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3120120330 is an abundant number, since it is smaller than the sum of its proper divisors (4808657334).

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

3120120330 is a wasteful number, since it uses less digits than its factorization.

3120120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6117910.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3120120330 is about 55858.0372909754. The cubic root of 3120120330 is about 1461.2474997902.

Adding to 3120120330 its reverse (330210213), we get a palindrome (3450330543).

The spelling of 3120120330 in words is "three billion, one hundred twenty million, one hundred twenty thousand, three hundred thirty".