30212116 has 12 divisors (see below), whose sum is σ = 57677760. Its totient is φ = 13732760.

The previous prime is 30212093. The next prime is 30212129. The reversal of 30212116 is 61121203.

It is a self number, because there is not a number n which added to its sum of digits gives 30212116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343276 + ... + 343363.

It is an arithmetic number, because the mean of its divisors is an integer number (4806480).

Almost surely, 2^30212116 is an apocalyptic number.

It is an amenable number.

30212116 is a deficient number, since it is larger than the sum of its proper divisors (27465644).

30212116 is a wasteful number, since it uses less digits than its factorization.

30212116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686654 (or 686652 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30212116 is about 5496.5549210392. The cubic root of 30212116 is about 311.4538577310.

Adding to 30212116 its reverse (61121203), we get a palindrome (91333319).

The spelling of 30212116 in words is "thirty million, two hundred twelve thousand, one hundred sixteen".