30201212 has 6 divisors (see below), whose sum is σ = 52852128. Its totient is φ = 15100604.

The previous prime is 30201211. The next prime is 30201217. The reversal of 30201212 is 21210203.

It is a happy number.

It is a super-2 number, since 2×30201212² = 1824226412537888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201193 and 30201202.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3775148 + ... + 3775155.

It is an arithmetic number, because the mean of its divisors is an integer number (8808688).

Almost surely, 2^30201212 is an apocalyptic number.

It is an amenable number.

30201212 is a deficient number, since it is larger than the sum of its proper divisors (22650916).

30201212 is a wasteful number, since it uses less digits than its factorization.

30201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550307 (or 7550305 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30201212 is about 5495.5629374979. The cubic root of 30201212 is about 311.4163837860.

Adding to 30201212 its reverse (21210203), we get a palindrome (51411415).

The spelling of 30201212 in words is "thirty million, two hundred one thousand, two hundred twelve".