30434012 has 36 divisors (see below), whose sum is σ = 64676304. Its totient is φ = 12272640.

The previous prime is 30434011. The next prime is 30434057. The reversal of 30434012 is 21043403.

It is a super-2 number, since 2×30434012² = 1852458172832288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30434011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6212 + ... + 9972.

It is an arithmetic number, because the mean of its divisors is an integer number (1796564).

Almost surely, 2^30434012 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 30434012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32338152).

30434012 is an abundant number, since it is smaller than the sum of its proper divisors (34242292).

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

30434012 is a wasteful number, since it uses less digits than its factorization.

30434012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3787 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30434012 is about 5516.7030008874. The cubic root of 30434012 is about 312.2145002070.

Adding to 30434012 its reverse (21043403), we get a palindrome (51477415).

It can be divided in two parts, 3043401 and 2, that added together give a palindrome (3043403).

The spelling of 30434012 in words is "thirty million, four hundred thirty-four thousand, twelve".