30212085 has 8 divisors (see below), whose sum is σ = 48339360. Its totient is φ = 16113104.

The previous prime is 30212057. The next prime is 30212089. The reversal of 30212085 is 58021203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30212085 - 2⁵ = 30212053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007055 + ... + 1007084.

It is an arithmetic number, because the mean of its divisors is an integer number (6042420).

Almost surely, 2^30212085 is an apocalyptic number.

It is an amenable number.

30212085 is a deficient number, since it is larger than the sum of its proper divisors (18127275).

30212085 is a wasteful number, since it uses less digits than its factorization.

30212085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014147.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30212085 is about 5496.5521010903. The cubic root of 30212085 is about 311.4537512056.

Adding to 30212085 its reverse (58021203), we get a palindrome (88233288).

The spelling of 30212085 in words is "thirty million, two hundred twelve thousand, eighty-five".