30012030 has 72 divisors (see below), whose sum is σ = 80861976. Its totient is φ = 7722720.

The previous prime is 30012029. The next prime is 30012107. The reversal of 30012030 is 3021003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 86317 + ... + 86663.

It is an arithmetic number, because the mean of its divisors is an integer number (1123083).

Almost surely, 2^30012030 is an apocalyptic number.

30012030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30012030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40430988).

30012030 is an abundant number, since it is smaller than the sum of its proper divisors (50849946).

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

30012030 is a wasteful number, since it uses less digits than its factorization.

30012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30012030 is about 5478.3236487086. The cubic root of 30012030 is about 310.7647783862.

Adding to 30012030 its reverse (3021003), we get a palindrome (33033033).

The spelling of 30012030 in words is "thirty million, twelve thousand, thirty".