30201216 has 32 divisors (see below), whose sum is σ = 80223000. Its totient is φ = 10066944.

The previous prime is 30201211. The next prime is 30201217. The reversal of 30201216 is 61210203.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×30201216² = 1824226895757312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201195 and 30201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38941 + ... + 39708.

Almost surely, 2^30201216 is an apocalyptic number.

It is an amenable number.

30201216 is an abundant number, since it is smaller than the sum of its proper divisors (50021784).

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

30201216 is an equidigital number, since it uses as much as digits as its factorization.

30201216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78666 (or 78654 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30201216 is about 5495.5633014278. The cubic root of 30201216 is about 311.4163975346.

Adding to 30201216 its reverse (61210203), we get a palindrome (91411419).

The spelling of 30201216 in words is "thirty million, two hundred one thousand, two hundred sixteen".