3030012120 has 192 divisors, whose sum is σ = 9461642400. Its totient is φ = 776089600.

The previous prime is 3030012113. The next prime is 3030012127. The reversal of 3030012120 is 212100303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3030012113) and next prime (3030012127).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3030012096 and 3030012105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030012127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30000070 + ... + 30000170.

Almost surely, 2^3030012120 is an apocalyptic number.

3030012120 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 3030012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4730821200).

3030012120 is an abundant number, since it is smaller than the sum of its proper divisors (6431630280).

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

3030012120 is a wasteful number, since it uses less digits than its factorization.

3030012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3030012120 is about 55045.5458688530. The cubic root of 3030012120 is about 1447.0430617040.

Adding to 3030012120 its reverse (212100303), we get a palindrome (3242112423).

The spelling of 3030012120 in words is "three billion, thirty million, twelve thousand, one hundred twenty".