30120412 has 12 divisors (see below), whose sum is σ = 60240880. Its totient is φ = 12908736.

The previous prime is 30120383. The next prime is 30120427. The reversal of 30120412 is 21402103.

30120412 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30120392 and 30120401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537837 + ... + 537892.

Almost surely, 2^30120412 is an apocalyptic number.

It is an amenable number.

30120412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30120412 is a wasteful number, since it uses less digits than its factorization.

30120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075740 (or 1075738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30120412 is about 5488.2066287632. The cubic root of 30120412 is about 311.1384157252.

Adding to 30120412 its reverse (21402103), we get a palindrome (51522515).

The spelling of 30120412 in words is "thirty million, one hundred twenty thousand, four hundred twelve".