30153212 has 6 divisors (see below), whose sum is σ = 52768128. Its totient is φ = 15076604.

The previous prime is 30153199. The next prime is 30153241. The reversal of 30153212 is 21235103.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769148 + ... + 3769155.

It is an arithmetic number, because the mean of its divisors is an integer number (8794688).

Almost surely, 2^30153212 is an apocalyptic number.

It is an amenable number.

30153212 is a deficient number, since it is larger than the sum of its proper divisors (22614916).

30153212 is a wasteful number, since it uses less digits than its factorization.

30153212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538307 (or 7538305 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30153212 is about 5491.1940413721. The cubic root of 30153212 is about 311.2513141130.

Adding to 30153212 its reverse (21235103), we get a palindrome (51388315).

The spelling of 30153212 in words is "thirty million, one hundred fifty-three thousand, two hundred twelve".