30144212 has 48 divisors (see below), whose sum is σ = 62361600. Its totient is φ = 12743136.

The previous prime is 30144209. The next prime is 30144217. The reversal of 30144212 is 21244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144217) 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, 174158 + ... + 174330.

It is an arithmetic number, because the mean of its divisors is an integer number (1299200).

Almost surely, 2^30144212 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 30144212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31180800).

30144212 is an abundant number, since it is smaller than the sum of its proper divisors (32217388).

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

30144212 is a wasteful number, since it uses less digits than its factorization.

30144212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 30144212 is about 5490.3744863169. The cubic root of 30144212 is about 311.2203440506.

Adding to 30144212 its reverse (21244103), we get a palindrome (51388315).

The spelling of 30144212 in words is "thirty million, one hundred forty-four thousand, two hundred twelve".